{"id":3891,"date":"2024-06-26T15:32:29","date_gmt":"2024-06-26T15:32:29","guid":{"rendered":"https:\/\/machining-quote.com\/?p=3891"},"modified":"2024-06-27T10:08:36","modified_gmt":"2024-06-27T10:08:36","slug":"303-vs-321-stainless-steel","status":"publish","type":"post","link":"https:\/\/machining-quote.com\/ja\/bolg\/303-vs-321-stainless-steel\/","title":{"rendered":"\u6700\u9ad8\u306e\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306f303\u3067\u3059\u304b\u3001\u305d\u308c\u3068\u3082321\u3067\u3059\u304b?"},"content":{"rendered":"<h4>\u76ee\u6b21<\/h4>\n<ul>\n<li><a href=\"#expert-opinions-303-vs-321-stainless-steel-which-is-recommended\">\u5c02\u9580\u5bb6\u306e\u610f\u898b: 303 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u3068 321 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc \u2013 \u3069\u3061\u3089\u304c\u63a8\u5968\u3055\u308c\u307e\u3059\u304b?<\/a><\/li>\n<li><a href=\"#heat-resistance-showdown-303-vs-321-stainless-steel\">\u8010\u71b1\u6027\u5bfe\u6c7a: 303 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc vs 321 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc<\/a><\/li>\n<li><a href=\"#comparing-corrosion-resistance-303-vs-321-stainless-steel\">\u8010\u98df\u6027\u306e\u6bd4\u8f03: 303 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u3068 321 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc<\/a><\/li>\n<li><a href=\"#weldability-insights-evaluating-303-and-321-stainless-steel\">\u6eb6\u63a5\u6027\u306b\u95a2\u3059\u308b\u6d1e\u5bdf: 303 \u304a\u3088\u3073 321 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306e\u8a55\u4fa1<\/a><\/li>\n<li><a href=\"#machinability-factors-choosing-between-303-and-321-stainless-steel\">\u6a5f\u68b0\u52a0\u5de5\u6027\u306e\u8981\u56e0: 303 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u3068 321 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306e\u9078\u629e<\/a><\/li>\n<li><a href=\"#cost-analysis-303-vs-321-stainless-steel-for-budget-conscious-projects\">\u30b3\u30b9\u30c8\u5206\u6790: \u4e88\u7b97\u91cd\u8996\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u5411\u3051\u306e 303 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u3068 321 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306e\u6bd4\u8f03<\/a><\/li>\n<li><a href=\"#longevity-and-durability-which-stainless-steel-outperforms\">\u5bff\u547d\u3068\u8010\u4e45\u6027: \u3069\u306e\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u304c\u512a\u308c\u3066\u3044\u308b\u304b?<\/a><\/li>\n<li><a href=\"#application-suitability-303-vs-321-stainless-steel-in-various-industries\">\u7528\u9014\u9069\u5408\u6027: \u3055\u307e\u3056\u307e\u306a\u696d\u754c\u306b\u304a\u3051\u308b 303 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u3068 321 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306e\u6bd4\u8f03<\/a><\/li>\n<li><a href=\"#conclusion\">\u7d50\u8ad6<\/a><\/li>\n<\/ul>\n<p>303 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u3068 321 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306e\u3069\u3061\u3089\u3092\u9078\u629e\u3059\u308b\u304b\u306f\u3001\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u3092\u3069\u3053\u3067\u3069\u306e\u3088\u3046\u306b\u4f7f\u7528\u3059\u308b\u304b\u306b\u3088\u3063\u3066\u7570\u306a\u308a\u307e\u3059\u3002\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc 303 \u306f\u6a5f\u68b0\u52a0\u5de5\u306b\u9069\u3057\u3066\u304a\u308a\u3001\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc 321 \u306f\u9ad8\u6e29\u3084\u8150\u98df\u74b0\u5883\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002\u9078\u629e\u306f\u3001\u8010\u8150\u98df\u6027\u3001\u6e29\u5ea6\u5b89\u5b9a\u6027\u3001\u6a5f\u68b0\u52a0\u5de5\u6027\u306a\u3069\u306e\u8981\u56e0\u306b\u3088\u3063\u3066\u7570\u306a\u308a\u307e\u3059\u3002<\/p>\n<h2 id=\"expert-opinions-303-vs-321-stainless-steel-which-is-recommended\">\u5c02\u9580\u5bb6\u306e\u610f\u898b: 303 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u3068 321 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc \u2013 \u3069\u3061\u3089\u304c\u63a8\u5968\u3055\u308c\u307e\u3059\u304b?<\/h2>\n<table border=\"1\">\n<tbody>\n<tr>\n<th>\u30b0\u30ec\u30fc\u30c9<\/th>\n<th>\u30d7\u30ed\u30d1\u30c6\u30a3<\/th>\n<th>\u30d9\u30b9\u30c8\u30e6\u30fc\u30b9<\/th>\n<\/tr>\n<tr>\n<td>303\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc<\/td>\n<td>\n<ul>\n<li>\u512a\u308c\u305f\u52a0\u5de5\u6027<\/li>\n<li>\u8010\u8150\u98df\u6027\u306e\u4f4e\u4e0b<\/li>\n<li>\u6eb6\u63a5\u306b\u306f\u9069\u3057\u3066\u3044\u307e\u305b\u3093<\/li>\n<\/ul>\n<\/td>\n<td>\u5927\u898f\u6a21\u306a\u6a5f\u68b0\u52a0\u5de5\u3092\u5fc5\u8981\u3068\u3059\u308b\u90e8\u54c1<\/td>\n<\/tr>\n<tr>\n<td>321\u30b9\u30c6\u30f3\u30ec\u30b9\u30b9\u30c1\u30fc\u30eb<\/td>\n<td>\n<ul>\n<li>\u30c1\u30bf\u30f3\u3092\u542b\u3080<\/li>\n<li>\u70ad\u5316\u30af\u30ed\u30e0\u306e\u5f62\u6210\u3092\u9632\u3050<\/li>\n<li>\u512a\u308c\u305f\u5f37\u5ea6\u3068\u8010\u8150\u98df\u6027<\/li>\n<\/ul>\n<\/td>\n<td>\u9ad8\u6e29\u74b0\u5883<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2 id=\"heat-resistance-showdown-303-vs-321-stainless-steel\">\u8010\u71b1\u6027\u5bfe\u6c7a: 303 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc vs 321 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc<\/h2>\n<table border=\"1\">\n<tbody>\n<tr>\n<th>\u30b0\u30ec\u30fc\u30c9<\/th>\n<th>\u8010\u71b1\u6027<\/th>\n<th>\u7528\u9014<\/th>\n<\/tr>\n<tr>\n<td>303\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc<\/td>\n<td>\n<ul>\n<li>\u9ad8\u6e29\u306b\u306f\u9069\u3057\u3066\u3044\u307e\u305b\u3093<\/li>\n<li>\u786b\u9ec4\u306e\u6dfb\u52a0\u306b\u3088\u308a\u8010\u71b1\u6027\u304c\u4f4e\u4e0b\u3059\u308b<\/li>\n<\/ul>\n<\/td>\n<td>\u4f4e\u6e29\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3<\/td>\n<\/tr>\n<tr>\n<td>321\u30b9\u30c6\u30f3\u30ec\u30b9\u30b9\u30c1\u30fc\u30eb<\/td>\n<td>\n<ul>\n<li>\u512a\u308c\u305f\u8010\u71b1\u6027<\/li>\n<li>\u5b89\u5b9a\u6027\u306e\u305f\u3081\u306b\u30c1\u30bf\u30f3\u3092\u542b\u3080<\/li>\n<li>\u512a\u308c\u305f\u8010\u9178\u5316\u6027<\/li>\n<\/ul>\n<\/td>\n<td>\u822a\u7a7a\u5b87\u5b99\u3084\u5316\u5b66\u51e6\u7406\u306a\u3069\u306e\u9ad8\u6e29\u74b0\u5883<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2 id=\"comparing-corrosion-resistance-303-vs-321-stainless-steel\">\u8010\u98df\u6027\u306e\u6bd4\u8f03: 303 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u3068 321 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc<\/h2>\n<table border=\"1\">\n<tbody>\n<tr>\n<th>\u30b0\u30ec\u30fc\u30c9<\/th>\n<th>\u8010\u98df\u6027<\/th>\n<th>\u74b0\u5883<\/th>\n<\/tr>\n<tr>\n<td>303\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc<\/td>\n<td>\n<ul>\n<li>\u52a0\u5de5\u6027\u306e\u5411\u4e0a<\/li>\n<li>\u8010\u8150\u98df\u6027\u304c\u4f4e\u3044<\/li>\n<\/ul>\n<\/td>\n<td>\u7a4f\u3084\u304b\u306a\u74b0\u5883\u3001\u904e\u9177\u306a\u6761\u4ef6\u306b\u306f\u9069\u3055\u306a\u3044<\/td>\n<\/tr>\n<tr>\n<td>321\u30b9\u30c6\u30f3\u30ec\u30b9\u30b9\u30c1\u30fc\u30eb<\/td>\n<td>\n<ul>\n<li>\u8010\u8150\u98df\u6027\u3092\u5411\u4e0a\u3055\u305b\u308b\u30c1\u30bf\u30f3\u3092\u542b\u3080<\/li>\n<li>\u9ad8\u6e29\u74b0\u5883\u306b\u9069\u3057\u3066\u3044\u307e\u3059<\/li>\n<\/ul>\n<\/td>\n<td>\u8150\u98df\u6027\u304a\u3088\u3073\u9ad8\u6e29\u74b0\u5883<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2 id=\"weldability-insights-evaluating-303-and-321-stainless-steel\">\u6eb6\u63a5\u6027\u306b\u95a2\u3059\u308b\u6d1e\u5bdf: 303 \u304a\u3088\u3073 321 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306e\u8a55\u4fa1<\/h2>\n<table border=\"1\">\n<tbody>\n<tr>\n<th>\u30b0\u30ec\u30fc\u30c9<\/th>\n<th>\u6eb6\u63a5\u6027<\/th>\n<th>\u8003\u616e\u4e8b\u9805<\/th>\n<\/tr>\n<tr>\n<td>303\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc<\/td>\n<td>\u786b\u9ec4\u542b\u6709\u91cf\u306b\u3088\u308b\u6eb6\u63a5\u6027\u306e\u60aa\u3055<\/td>\n<td>\u6eb6\u63a5\u306b\u306f\u63a8\u5968\u3055\u308c\u307e\u305b\u3093<\/td>\n<\/tr>\n<tr>\n<td>321\u30b9\u30c6\u30f3\u30ec\u30b9\u30b9\u30c1\u30fc\u30eb<\/td>\n<td>\u30c1\u30bf\u30f3\u6dfb\u52a0\u306b\u3088\u308b\u512a\u308c\u305f\u6eb6\u63a5\u6027<\/td>\n<td>\u9ad8\u6e29\u74b0\u5883\u306b\u304a\u3051\u308b\u6eb6\u63a5\u69cb\u9020\u7269\u306b\u9069\u3057\u3066\u3044\u307e\u3059<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2 id=\"machinability-factors-choosing-between-303-and-321-stainless-steel\">\u6a5f\u68b0\u52a0\u5de5\u6027\u306e\u8981\u56e0: 303 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u3068 321 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306e\u9078\u629e<\/h2>\n<table border=\"1\">\n<tbody>\n<tr>\n<th>\u30b0\u30ec\u30fc\u30c9<\/th>\n<th>\u52a0\u5de5\u6027<\/th>\n<th>\u7528\u9014<\/th>\n<\/tr>\n<tr>\n<td>303\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc<\/td>\n<td>\n<ul>\n<li>\u9ad8\u3044\u52a0\u5de5\u6027<\/li>\n<li>\u90e8\u54c1\u52a0\u5de5\u306b\u30b3\u30b9\u30c8\u52b9\u7387\u304c\u826f\u3044<\/li>\n<\/ul>\n<\/td>\n<td>\u30cd\u30b8\u3001\u30ca\u30c3\u30c8\u3001\u7d99\u624b\u306a\u3069\u306e\u6a5f\u68b0\u52a0\u5de5\u90e8\u54c1<\/td>\n<\/tr>\n<tr>\n<td>321\u30b9\u30c6\u30f3\u30ec\u30b9\u30b9\u30c1\u30fc\u30eb<\/td>\n<td>\n<ul>\n<li>303\u3088\u308a\u3082\u52a0\u5de5\u6027\u304c\u4f4e\u3044<\/li>\n<li>\u8010\u4e45\u6027\u3068\u8010\u71b1\u6027\u306e\u5411\u4e0a<\/li>\n<\/ul>\n<\/td>\n<td>\u6392\u6c17\u30de\u30cb\u30db\u30fc\u30eb\u30c9\u306a\u3069\u306e\u9ad8\u6e29\u90e8\u54c1<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2 id=\"cost-analysis-303-vs-321-stainless-steel-for-budget-conscious-projects\">\u30b3\u30b9\u30c8\u5206\u6790: \u4e88\u7b97\u91cd\u8996\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u5411\u3051\u306e 303 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u3068 321 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306e\u6bd4\u8f03<\/h2>\n<table border=\"1\">\n<tbody>\n<tr>\n<th>\u30b0\u30ec\u30fc\u30c9<\/th>\n<th>\u30b3\u30b9\u30c8\u8981\u56e0<\/th>\n<th>\u30d9\u30b9\u30c8\u30e6\u30fc\u30b9<\/th>\n<\/tr>\n<tr>\n<td>303\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc<\/td>\n<td>\n<ul>\n<li>\u521d\u671f\u30b3\u30b9\u30c8\u304c\u4f4e\u3044<\/li>\n<li>\u52a0\u5de5\u30b3\u30b9\u30c8\u306e\u524a\u6e1b<\/li>\n<\/ul>\n<\/td>\n<td>\u5927\u91cf\u52a0\u5de5\u30d7\u30ed\u30b8\u30a7\u30af\u30c8<\/td>\n<\/tr>\n<tr>\n<td>321\u30b9\u30c6\u30f3\u30ec\u30b9\u30b9\u30c1\u30fc\u30eb<\/td>\n<td>\n<ul>\n<li>\u521d\u671f\u30b3\u30b9\u30c8\u304c\u9ad8\u3044<\/li>\n<li>\u904e\u9177\u306a\u74b0\u5883\u4e0b\u3067\u306e\u9577\u671f\u7684\u306a\u7bc0\u7d04<\/li>\n<\/ul>\n<\/td>\n<td>\u9ad8\u6e29\u304a\u3088\u3073\u8150\u98df\u6027\u6761\u4ef6\u3092\u4f34\u3046\u30d7\u30ed\u30b8\u30a7\u30af\u30c8<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2 id=\"longevity-and-durability-which-stainless-steel-outperforms\">\u5bff\u547d\u3068\u8010\u4e45\u6027: \u3069\u306e\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u304c\u512a\u308c\u3066\u3044\u308b\u304b?<\/h2>\n<table border=\"1\">\n<tbody>\n<tr>\n<th>\u30b0\u30ec\u30fc\u30c9<\/th>\n<th>\u9577\u5bff\u547d\u3068\u8010\u4e45\u6027<\/th>\n<th>\u30d9\u30b9\u30c8\u30e6\u30fc\u30b9<\/th>\n<\/tr>\n<tr>\n<td>303\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc<\/td>\n<td>\n<ul>\n<li>\u52a0\u5de5\u6027\u306f\u826f\u3044\u304c\u8010\u4e45\u6027\u306f\u4f4e\u3044<\/li>\n<li>\u786b\u9ec4\u542b\u6709\u91cf\u306f\u8010\u8150\u98df\u6027\u3092\u4f4e\u4e0b\u3055\u305b\u308b<\/li>\n<\/ul>\n<\/td>\n<td>\u904e\u9177\u306a\u74b0\u5883\u306b\u3055\u3089\u3055\u308c\u306a\u3044\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3<\/td>\n<\/tr>\n<tr>\n<td>321\u30b9\u30c6\u30f3\u30ec\u30b9\u30b9\u30c1\u30fc\u30eb<\/td>\n<td>\n<ul>\n<li>\u9ad8\u3044\u8010\u4e45\u6027\u3068\u8010\u8150\u98df\u6027<\/li>\n<li>\u9ad8\u6e29\u304a\u3088\u3073\u8150\u98df\u74b0\u5883\u306b\u9069\u3057\u3066\u3044\u307e\u3059<\/li>\n<\/ul>\n<\/td>\n<td>\u822a\u7a7a\u5b87\u5b99\u304a\u3088\u3073\u5316\u5b66\u51e6\u7406\u7523\u696d<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2 id=\"application-suitability-303-vs-321-stainless-steel-in-various-industries\">\u7528\u9014\u9069\u5408\u6027: \u3055\u307e\u3056\u307e\u306a\u696d\u754c\u306b\u304a\u3051\u308b 303 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u3068 321 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306e\u6bd4\u8f03<\/h2>\n<table border=\"1\">\n<tbody>\n<tr>\n<th>\u696d\u754c<\/th>\n<th>\u30b0\u30ec\u30fc\u30c9303<\/th>\n<th>\u30b0\u30ec\u30fc\u30c9321<\/th>\n<\/tr>\n<tr>\n<td>\u30a8\u30ec\u30af\u30c8\u30ed\u30cb\u30af\u30b9<\/td>\n<td>\u52a0\u5de5\u6027\u306b\u512a\u308c\u3066\u3044\u308b<\/td>\n<td>\u3042\u307e\u308a\u4f7f\u308f\u308c\u306a\u3044<\/td>\n<\/tr>\n<tr>\n<td>\u822a\u7a7a\u5b87\u5b99<\/td>\n<td>\u9650\u5b9a\u4f7f\u7528<\/td>\n<td>\u9ad8\u6e29\u304a\u3088\u3073\u8150\u98df\u8010\u6027\u306b\u512a\u308c\u3066\u3044\u308b<\/td>\n<\/tr>\n<tr>\n<td>\u5316\u5b66\u51e6\u7406<\/td>\n<td>\u63a8\u5968\u3055\u308c\u307e\u305b\u3093<\/td>\n<td>\u8010\u4e45\u6027\u306b\u512a\u308c\u3066\u3044\u308b\u306e\u3067\u304a\u3059\u3059\u3081\u3067\u3059<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2 id=\"conclusion\">\u7d50\u8ad6<\/h2>\n<p>303 \u3068 321 \u306e\u3069\u3061\u3089\u304c\u6700\u9069\u306a\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u3067\u3042\u308b\u304b\u306f\u3001\u304a\u5ba2\u69d8\u306e\u30cb\u30fc\u30ba\u306b\u3088\u3063\u3066\u7570\u306a\u308a\u307e\u3059\u3002\u6a5f\u68b0\u52a0\u5de5\u306b\u306f 303 \u304c\u6700\u9069\u3067\u3059\u3002\u9ad8\u6e29\u3084\u8150\u98df\u6027\u306e\u74b0\u5883\u306b\u306f 321 \u306e\u65b9\u304c\u9069\u3057\u3066\u3044\u307e\u3059\u3002\u6700\u9069\u306a\u9078\u629e\u3092\u884c\u3046\u306b\u306f\u3001\u5177\u4f53\u7684\u306a\u7528\u9014\u3092\u8003\u616e\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>","protected":false},"excerpt":{"rendered":"<p>\u76ee\u6b21 \u5c02\u9580\u5bb6\u306e\u610f\u898b: 303 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u3068 321 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc \u2013 \u3069\u3061\u3089\u304c\u63a8\u5968\u3055\u308c\u307e\u3059\u304b? \u8010\u71b1\u6027\u5bfe\u6c7a: 303 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u3068 321 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc \u8010\u98df\u6027\u306e\u6bd4\u8f03: 303 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u3068 321 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc \u6eb6\u63a5\u6027\u306b\u95a2\u3059\u308b\u6d1e\u5bdf: 303 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u3068 321 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306e\u8a55\u4fa1 \u6a5f\u68b0\u52a0\u5de5\u6027\u306e\u8981\u56e0: 303 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u3068 321 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306e\u9078\u629e \u30b3\u30b9\u30c8\u5206\u6790: \u4e88\u7b97\u91cd\u8996\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u5411\u3051\u306e 303 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u3068 321 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306e\u6bd4\u8f03 \u5bff\u547d\u3068\u8010\u4e45\u6027: \u3069\u3061\u3089\u306e\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u304c\u512a\u308c\u3066\u3044\u307e\u3059\u304b? \u7528\u9014\u306e\u9069\u5408\u6027: \u3055\u307e\u3056\u307e\u306a\u696d\u754c\u306b\u304a\u3051\u308b 303 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u3068 321 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306e\u6bd4\u8f03 \u7d50\u8ad6 303 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u3068 321 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306e\u3069\u3061\u3089\u3092\u9078\u629e\u3059\u308b\u304b\u306f\u3001\u4f7f\u7528\u3059\u308b\u5834\u6240\u3068\u65b9\u6cd5\u306b\u3088\u3063\u3066\u7570\u306a\u308a\u307e\u3059\u3002\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc 303 \u306f\u6a5f\u68b0\u52a0\u5de5\u306b\u9069\u3057\u3066\u304a\u308a\u3001321 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