{"id":9425,"date":"2025-06-07T03:04:38","date_gmt":"2025-06-06T19:04:38","guid":{"rendered":"https:\/\/www.51malin.com\/index.php\/archives\/9425"},"modified":"2025-06-07T03:04:38","modified_gmt":"2025-06-06T19:04:38","slug":"%e5%be%b7%e5%a3%ab%e6%a8%a1%e9%83%bd44v20l%e5%9c%a8%e8%81%9a%e6%b0%a8%e9%85%af%e7%a1%ac%e6%b3%a1%e4%bf%9d%e6%b8%a9%e6%9d%90%e6%96%99%e4%b8%ad%e7%9a%84%e5%ba%94%e7%94%a8","status":"publish","type":"post","link":"https:\/\/www.51malin.com\/index.php\/archives\/9425","title":{"rendered":"\u5fb7\u58eb\u6a21\u90fd44V20L\u5728\u805a\u6c28\u916f\u786c\u6ce1\u4fdd\u6e29\u6750\u6599\u4e2d\u7684\u5e94\u7528"},"content":{"rendered":"

\u5fb7\u58eb\u6a21\u90fd44V20L\u5728\u805a\u6c28\u916f\u786c\u6ce1\u4fdd\u6e29\u6750\u6599\u4e2d\u7684\u5e94\u7528\uff1a\u4ece\u5316\u5b66\u5230\u73b0\u5b9e\u7684\u6e29\u5ea6\u5b88\u62a4\u8005 \ud83e\uddea\ud83c\udf21\ufe0f<\/h1>\n
\n

\u5f15\u8a00\uff1a\u4e00\u4e2a\u201c\u6ce1\u201d\u51fa\u6765\u7684\u5947\u8ff9 \ud83e\udee7\u2728<\/h2>\n

\u8bf4\u5230\u201c\u6ce1\u6cab\u201d\uff0c\u5927\u591a\u6570\u4eba\u7b2c\u4e00\u53cd\u5e94\u53ef\u80fd\u662f\u6d17\u7897\u65f6\u7684\u6ce1\u6ce1\uff0c\u6216\u8005\u5c0f\u65f6\u5019\u5439\u51fa\u6765\u7684\u4e03\u5f69\u6c14\u7403\u3002\u4f46\u4f60\u6709\u6ca1\u6709\u60f3\u8fc7\uff0c\u6709\u4e00\u79cd\u201c\u6ce1\u6cab\u201d\u4e0d\u4ec5\u4e0d\u8f7b\u6d6e\uff0c\u53cd\u800c\u80fd\u625b\u5f97\u4f4f\u98ce\u971c\u96e8\u96ea\uff0c\u751a\u81f3\u6210\u4e3a\u5efa\u7b51\u8282\u80fd\u3001\u51b7\u94fe\u8fd0\u8f93\u3001\u5de5\u4e1a\u4fdd\u6e29\u7b49\u9886\u57df\u7684\u201c\u4e2d\u6d41\u7825\u67f1\u201d\uff1f\u6ca1\u9519\uff0c\u6211\u8bf4\u7684\u5c31\u662f\u2014\u2014\u805a\u6c28\u916f\u786c\u6ce1\u4fdd\u6e29\u6750\u6599<\/strong>\uff01<\/p>\n

\u800c\u5728\u8fd9\u79cd\u795e\u5947\u6750\u6599\u7684\u80cc\u540e\uff0c\u6709\u4e00\u4e2a\u9ed8\u9ed8\u65e0\u95fb\u5374\u81f3\u5173\u91cd\u8981\u7684\u201c\u5e55\u540e\u82f1\u96c4\u201d\uff0c\u5b83\u5c31\u662f\u6211\u4eec\u4eca\u5929\u7684\u4e3b\u89d2\u2014\u2014\u5fb7\u58eb\u6a21\u90fd44V20L<\/strong>\uff08Desmodur 44V20L\uff09\uff0c\u4e00\u79cd\u7531\u5fb7\u56fd\u5df4\u65af\u592b\u516c\u53f8\u751f\u4ea7\u7684\u591a\u82ef\u57fa\u7532\u70f7\u4e8c\u5f02\u6c30\u9178\u916f\uff08PMDI\uff09\u7c7b\u539f\u6599\u3002<\/p>\n

\u8fd9\u7bc7\u6587\u7ae0\uff0c\u5c31\u8ba9\u6211\u4eec\u4ee5\u8f7b\u677e\u5e7d\u9ed8\u53c8\u4e0d\u5931\u4e13\u4e1a\u6027\u7684\u53e3\u543b\uff0c\u804a\u804a\u8fd9\u4e2a\u201c\u6ce1\u201d\u7684\u80cc\u540e\u6545\u4e8b\uff0c\u770b\u770b\u5fb7\u58eb\u6a21\u90fd44V20L\u662f\u5982\u4f55\u5728\u805a\u6c28\u916f\u786c\u6ce1\u4fdd\u6e29\u6750\u6599\u4e2d\u5927\u663e\u8eab\u624b\u7684\u3002\u5f53\u7136\uff0c\u8fd8\u6709\u4e0d\u5c11\u5b9e\u7528\u53c2\u6570\u548c\u56fd\u5185\u5916\u6743\u5a01\u6587\u732e\u652f\u6301\u54e6\uff01\ud83d\udcda\ud83d\udca1<\/p>\n


\n

\u7b2c\u4e00\u7ae0\uff1a\u4ec0\u4e48\u662f\u5fb7\u58eb\u6a21\u90fd44V20L\uff1f\u5b83\u7684\u201c\u524d\u4e16\u4eca\u751f\u201d\u662f\u4ec0\u4e48\uff1f<\/h2>\n

1.1 \u540d\u5b57\u80cc\u540e\u7684\u79d8\u5bc6 \ud83d\udcdb<\/h3>\n

\u201c\u5fb7\u58eb\u6a21\u90fd\u201d\u542c\u8d77\u6765\u662f\u4e0d\u662f\u6709\u70b9\u50cf\u6b66\u4fa0\u5c0f\u8bf4\u91cc\u7684\u95e8\u6d3e\u540d\u5b57\uff1f\u5176\u5b9e\u5b83\u662fBASF<\/strong>\uff08\u5df4\u65af\u592b\uff09\u516c\u53f8\u65d7\u4e0b\u7684\u4e00\u79cd\u5f02\u6c30\u9178\u916f\u4ea7\u54c1\u7cfb\u5217\u540d\u79f0\uff0c\u82f1\u6587\u540d\u662fDesmodur<\/strong>\uff0c\u6e90\u81ea\u5fb7\u8bed\u201cdesmodurieren\u201d\uff0c\u610f\u4e3a\u201c\u8d4b\u4e88\u67d4\u97e7\u4e0e\u575a\u97e7\u201d\u3002<\/p>\n

\u800c44V20L<\/strong>\u5219\u662f\u8be5\u7cfb\u5217\u4e2d\u7684\u4e00\u6b3e\u7279\u5b9a\u578b\u53f7\uff0c\u4e3b\u8981\u7528\u4e8e\u751f\u4ea7\u805a\u6c28\u916f\u786c\u8d28\u6ce1\u6cab\u5851\u6599<\/strong>\u3002\u5b83\u662f\u4e00\u79cd\u6db2\u6001\u7684\u591a\u82ef\u57fa\u7532\u70f7\u4e8c\u5f02\u6c30\u9178\u916f\uff08Polymeric MDI\uff09\uff0c\u901a\u4fd7\u70b9\u8bf4\uff0c\u5c31\u662f\u4e00\u79cd\u975e\u5e38\u6d3b\u8dc3\u7684\u201c\u5316\u5b66\u53cd\u5e94\u50ac\u5316\u5242\u201d\uff0c\u80fd\u8ba9\u805a\u6c28\u916f\u6750\u6599\u53d8\u5f97\u53c8\u786c\u53c8\u4fdd\u6e29\u3002<\/p>\n

1.2 \u57fa\u672c\u53c2\u6570\u4e00\u89c8\u8868 \ud83d\udcca<\/h3>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
\u9879\u76ee<\/th>\n\u53c2\u6570\u503c<\/th>\n<\/tr>\n<\/thead>\n
\u5316\u5b66\u540d\u79f0<\/td>\n\u591a\u82ef\u57fa\u7532\u70f7\u4e8c\u5f02\u6c30\u9178\u916f\uff08PMDI\uff09<\/td>\n<\/tr>\n
\u5206\u5b50\u5f0f<\/td>\n(CH\u2082)\u2099(C\u2086H\u2083NCO)\u2098\uff08n\/m\u89c6\u805a\u5408\u5ea6\u800c\u5b9a\uff09<\/td>\n<\/tr>\n
\u5916\u89c2<\/td>\n\u68d5\u8272\u81f3\u6df1\u68d5\u8272\u6db2\u4f53<\/td>\n<\/tr>\n
\u7c98\u5ea6\uff0825\u00b0C\uff09<\/td>\n\u7ea6200 mPa\u00b7s<\/td>\n<\/tr>\n
NCO\u542b\u91cf<\/td>\n\u7ea631.5%<\/td>\n<\/tr>\n
\u5bc6\u5ea6\uff0825\u00b0C\uff09<\/td>\n1.23 g\/cm\u00b3<\/td>\n<\/tr>\n
\u5b98\u65b9pH\u503c<\/td>\n3.0\u20134.0<\/td>\n<\/tr>\n
\u53cd\u5e94\u6d3b\u6027<\/td>\n\u9ad8<\/td>\n<\/tr>\n
\u63a8\u8350\u50a8\u5b58\u6e29\u5ea6<\/td>\n15\u201330\u00b0C<\/td>\n<\/tr>\n
\u4fdd\u8d28\u671f<\/td>\n\u4e00\u822c6\u4e2a\u6708\uff08\u672a\u5f00\u5c01\uff09<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\n

\u5c0f\u8d34\u58eb\uff1a\u5982\u679c\u4f60\u4e0d\u5c0f\u5fc3\u628a\u8fd9\u73a9\u610f\u513f\u6d12\u5728\u624b\u4e0a\uff0c\u5343\u4e07\u522b\u7528\u78b1\u6027\u80a5\u7682\u6d17\uff0c\u4f1a\u8d77\u5316\u5b66\u53cd\u5e94\u7684\uff01\u5efa\u8bae\u7528\u5927\u91cf\u6e05\u6c34\u51b2\u6d17\u5e76\u53ca\u65f6\u5c31\u533b\u54e6 \ud83d\ude2c\n<\/p>\n<\/blockquote>\n


\n

\u7b2c\u4e8c\u7ae0\uff1a\u805a\u6c28\u916f\u786c\u6ce1\u4fdd\u6e29\u6750\u6599\uff0c\u5230\u5e95\u201c\u786c\u201d\u5728\u54ea\uff1f<\/h2>\n

2.1 \u4ec0\u4e48\u662f\u805a\u6c28\u916f\u786c\u6ce1\uff1f \ud83d\udd25\u2744\ufe0f<\/h3>\n

\u805a\u6c28\u916f\u786c\u6ce1\uff08Rigid Polyurethane Foam\uff09\u662f\u4e00\u79cd\u901a\u8fc7\u591a\u5143\u9187\u548c\u5f02\u6c30\u9178\u916f\u5728\u53d1\u6ce1\u5242\u4f5c\u7528\u4e0b\u53cd\u5e94\u751f\u6210\u7684\u95ed\u5b54\u7ed3\u6784\u6750\u6599\u3002\u5b83\u4e0d\u4ec5\u5bc6\u5ea6\u5c0f\u3001\u5f3a\u5ea6\u9ad8\uff0c\u800c\u4e14\u5bfc\u70ed\u7cfb\u6570\u6781\u4f4e\uff0c\u662f\u76ee\u524d\u516c\u8ba4\u7684\u9ad8\u6548\u7edd\u70ed\u6750\u6599\u4e4b\u4e00\u3002<\/p>\n

2.2 \u4e3a\u4ec0\u4e48\u9009\u5fb7\u58eb\u6a21\u90fd44V20L\uff1f\u56e0\u4e3a\u5b83\u591f\u201c\u786c\u201d\uff01<\/h3>\n

\u522b\u770b\u5b83\u662f\u4e2a\u6db2\u4f53\uff0c\u4e00\u65e6\u8ddf\u591a\u5143\u9187\u4e00\u7ed3\u5408\uff0c\u90a3\u53ef\u771f\u662f\u201c\u6ce1\u51fa\u7cbe\u5f69\uff0c\u786c\u5f97\u6709\u7406\u201d\u3002\u5b83\u7684\u9ad8NCO\u542b\u91cf\u548c\u9002\u4e2d\u7684\u7c98\u5ea6\uff0c\u4f7f\u5f97\u53cd\u5e94\u8fc7\u7a0b\u66f4\u52a0\u53ef\u63a7\uff0c\u6210\u54c1\u6ce1\u4f53\u7ed3\u6784\u5747\u5300\u81f4\u5bc6\uff0c\u4fdd\u6e29\u6027\u80fd\u81ea\u7136\u6760\u6760\u7684\u3002<\/p>\n


\n

\u7b2c\u4e09\u7ae0\uff1a44V20L\u5728\u786c\u6ce1\u4e2d\u7684\u89d2\u8272\u626e\u6f14 \ud83c\udfad<\/h2>\n

\u6211\u4eec\u53ef\u4ee5\u628a\u805a\u6c28\u916f\u786c\u6ce1\u7684\u5236\u9020\u8fc7\u7a0b\u6bd4\u4f5c\u4e00\u573a\u201c\u5316\u5b66\u4ea4\u54cd\u4e50\u201d\uff0c\u800c\u5fb7\u58eb\u6a21\u90fd44V20L\u5c31\u662f\u8fd9\u573a\u6f14\u51fa\u7684\u6307\u6325\u5bb6\uff1a<\/p>\n

3.1 \u4e3b\u89d2\u767b\u573a\uff1a\u5f02\u6c30\u9178\u916f\u7684\u201c\u6838\u5fc3\u529b\u91cf\u201d<\/h3>\n
    \n
  • \u529f\u80fd\u5b9a\u4f4d<\/strong>\uff1a\u4f5c\u4e3aA\u7ec4\u5206\uff0c\u4e0eB\u7ec4\u5206\uff08\u591a\u5143\u9187\u6df7\u5408\u7269\uff09\u53d1\u751f\u53cd\u5e94\u3002<\/li>\n
  • \u53cd\u5e94\u673a\u5236<\/strong>\uff1a\u4e0e\u591a\u5143\u9187\u53cd\u5e94\u5f62\u6210\u6c28\u57fa\u7532\u9178\u916f\u952e\uff08urethane bond\uff09\uff0c\u6784\u5efa\u6ce1\u6cab\u9aa8\u67b6\u3002<\/li>\n
  • \u4f18\u52bf\u8868\u73b0<\/strong>\uff1a\n
      \n
    • \u63d0\u9ad8\u6ce1\u6cab\u538b\u7f29\u5f3a\u5ea6<\/li>\n
    • \u589e\u5f3a\u95ed\u5b54\u7387<\/li>\n
    • \u6539\u5584\u5c3a\u5bf8\u7a33\u5b9a\u6027<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n

      3.2 \u5b9e\u9645\u5e94\u7528\u573a\u666f\u5bf9\u6bd4\u8868 \ud83e\uddca\ud83d\udce6<\/h3>\n\n\n\n\n\n\n\n\n
      \u5e94\u7528\u9886\u57df<\/th>\n\u4f7f\u7528\u8981\u6c42<\/th>\n44V20L\u4f18\u52bf\u4f53\u73b0<\/th>\n<\/tr>\n<\/thead>\n
      \u51b7\u5e93\u4fdd\u6e29<\/td>\n\u6781\u4f4e\u6e29\u73af\u5883<\/td>\n\u8010\u5bd2\u6027\u597d\uff0c\u95ed\u5b54\u7387\u9ad8<\/td>\n<\/tr>\n
      \u5efa\u7b51\u5916\u5899<\/td>\n\u9632\u706b+\u9694\u70ed<\/td>\n\u81ea\u7184\u6027\u5f3a\uff0c\u71c3\u70e7\u7b49\u7ea7\u53ef\u8fbeB2\/B1<\/td>\n<\/tr>\n
      \u51b7\u94fe\u8fd0\u8f93<\/td>\n\u9632\u9707+\u4fdd\u6e29<\/td>\n\u6ce1\u6cab\u7ed3\u6784\u5747\u5300\uff0c\u6297\u538b\u80fd\u529b\u5f3a<\/td>\n<\/tr>\n
      \u7ba1\u9053\u4fdd\u6e29<\/td>\n\u8010\u8150\u8680+\u8010\u4e45<\/td>\n\u5316\u5b66\u7a33\u5b9a\u6027\u597d\uff0c\u5bff\u547d\u957f<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
      \n

      \u7b2c\u56db\u7ae0\uff1a\u5982\u4f55\u8c03\u5236\u4e00\u676f\u201c\u5b8c\u7f8e\u201d\u7684\u805a\u6c28\u916f\u786c\u6ce1\uff1f\u2615\ufe0f\ud83e\uddea<\/h2>\n

      \u5236\u4f5c\u805a\u6c28\u916f\u786c\u6ce1\u5c31\u50cf\u716e\u5496\u5561\u4e00\u6837\u8bb2\u7a76\u6bd4\u4f8b\u548c\u624b\u6cd5\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u5e38\u89c1\u7684\u914d\u65b9\u793a\u4f8b\uff08\u4ec5\u4f9b\u53c2\u8003\uff0c\u5b9e\u9645\u9700\u6839\u636e\u8bbe\u5907\u8c03\u6574\uff09\uff1a<\/p>\n

      4.1 \u5178\u578b\u914d\u65b9\u6bd4\u4f8b\u8868\uff08\u8d28\u91cf\u4efd\uff09<\/h3>\n\n\n\n\n\n\n\n\n\n\n
      \u6210\u5206<\/th>\nB\u7ec4\u5206<\/th>\nA\u7ec4\u5206<\/th>\n<\/tr>\n<\/thead>\n
      \u591a\u5143\u9187<\/td>\n100\u4efd<\/td>\n\u2014\u2014<\/td>\n<\/tr>\n
      \u53d1\u6ce1\u5242\uff08\u5982\u6c34\u6216HCFC\uff09<\/td>\n3~5\u4efd<\/td>\n\u2014\u2014<\/td>\n<\/tr>\n
      \u50ac\u5316\u5242<\/td>\n0.5~1.5\u4efd<\/td>\n\u2014\u2014<\/td>\n<\/tr>\n
      \u8868\u9762\u6d3b\u6027\u5242<\/td>\n0.5~1.0\u4efd<\/td>\n\u2014\u2014<\/td>\n<\/tr>\n
      \u963b\u71c3\u5242<\/td>\n10~20\u4efd\uff08\u89c6\u9700\u6c42\uff09<\/td>\n\u2014\u2014<\/td>\n<\/tr>\n
      Desmodur 44V20L<\/td>\n\u2014\u2014<\/td>\n120~150\u4efd\uff08\u6309NCO\u6307\u6570\u8ba1\u7b97\uff09<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
      \n

      \u5c0f\u63d0\u793a\uff1aNCO\u6307\u6570\u63a7\u5236\u572890~110\u4e4b\u95f4\u6548\u679c\u4f73\uff0c\u592a\u9ad8\u5bb9\u6613\u53d1\u8106\uff0c\u592a\u4f4e\u5219\u6ce1\u4f53\u8f6f\u584c\u65e0\u529b \ud83d\ude05\n<\/p>\n<\/blockquote>\n

      4.2 \u751f\u4ea7\u5de5\u827a\u6d41\u7a0b\u56fe\u7b80\u8ff0<\/h3>\n
      \u591a\u5143\u9187 + \u6dfb\u52a0\u5242 \u2192 \u6df7\u5408\u6405\u62cc \u2192 \u6ce8\u5165\u6a21\u5177  \n\u2193  \n\u52a0\u5165Desmodur 44V20L \u2192 \u5feb\u901f\u53cd\u5e94\u53d1\u6ce1  \n\u2193  \n\u719f\u5316 \u2192 \u5207\u5272 \u2192 \u6210\u54c1\u68c0\u6d4b<\/code><\/pre>\n

      \u6574\u4e2a\u8fc7\u7a0b\u4ece\u6df7\u5408\u5230\u6210\u578b\u53ea\u9700\u51e0\u5341\u79d2\uff0c\u582a\u79f0\u201c\u95ea\u7535\u6ce1\u6cd5\u201d\u26a1\ufe0f<\/p>\n


      \n

      \u7b2c\u4e94\u7ae0\uff1a44V20L\u7684\u201c\u670b\u53cb\u5708\u201d\u548c\u201c\u7ade\u4e89\u5bf9\u624b\u201d \ud83d\udc65\u2694\ufe0f<\/h2>\n

      \u867d\u7136\u5fb7\u58eb\u6a21\u90fd44V20L\u662f\u805a\u6c28\u916f\u754c\u7684\u660e\u661f\u4ea7\u54c1\uff0c\u4f46\u5b83\u4e5f\u4e0d\u662f\u4e00\u4e2a\u4eba\u5728\u6218\u6597\u3002\u5e02\u573a\u4e0a\u8fd8\u6709\u5176\u4ed6\u51e0\u6b3e\u5e38\u7528\u7684PMDI\u7c7b\u4ea7\u54c1\uff0c\u6bd4\u5982\uff1a<\/p>\n

      \"\"<\/p>\n


      \n

      \u7b2c\u4e94\u7ae0\uff1a44V20L\u7684\u201c\u670b\u53cb\u5708\u201d\u548c\u201c\u7ade\u4e89\u5bf9\u624b\u201d \ud83d\udc65\u2694\ufe0f<\/h2>\n

      \u867d\u7136\u5fb7\u58eb\u6a21\u90fd44V20L\u662f\u805a\u6c28\u916f\u754c\u7684\u660e\u661f\u4ea7\u54c1\uff0c\u4f46\u5b83\u4e5f\u4e0d\u662f\u4e00\u4e2a\u4eba\u5728\u6218\u6597\u3002\u5e02\u573a\u4e0a\u8fd8\u6709\u5176\u4ed6\u51e0\u6b3e\u5e38\u7528\u7684PMDI\u7c7b\u4ea7\u54c1\uff0c\u6bd4\u5982\uff1a<\/p>\n\n\n\n\n\n\n\n\n
      \u54c1\u724c<\/th>\n\u578b\u53f7<\/th>\n\u7279\u70b9<\/th>\n<\/tr>\n<\/thead>\n
      \u5df4\u65af\u592b<\/td>\nDesmodur 44V20L<\/td>\n\u7efc\u5408\u6027\u80fd\u4f18\u5f02\uff0c\u9002\u7528\u5e7f\u6cdb<\/td>\n<\/tr>\n
      \u79d1\u601d\u521b\uff08Covestro\uff09<\/td>\nMondur MR<\/td>\n\u9002\u7528\u4e8e\u55b7\u6d82\u53d1\u6ce1\uff0c\u6d41\u52a8\u6027\u597d<\/td>\n<\/tr>\n
      \u4e07\u534e\u5316\u5b66<\/td>\nPMDI-100<\/td>\n\u56fd\u4ea7\u66ff\u4ee3\uff0c\u6027\u4ef7\u6bd4\u9ad8<\/td>\n<\/tr>\n
      \u4ea8\u65af\u8fc8<\/td>\nRubinate M<\/td>\n\u5de5\u827a\u9002\u5e94\u6027\u5f3a\uff0c\u9002\u5408\u8fde\u7eed\u751f\u4ea7\u7ebf<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

      \u867d\u7136\u56fd\u4ea7\u4ea7\u54c1\u8fd1\u5e74\u6765\u8fdb\u6b65\u663e\u8457\uff0c\u4f46\u5728\u9ad8\u7aef\u5e02\u573a\uff08\u5982\u51b7\u5e93\u3001\u822a\u7a7a\u822a\u5929\uff09\u4e2d\uff0c44V20L\u4f9d\u7136\u51ed\u501f\u5176\u7a33\u5b9a\u7684\u54c1\u8d28\u5360\u636e\u4e00\u5e2d\u4e4b\u5730\u3002<\/p>\n


      \n

      \u7b2c\u516d\u7ae0\uff1a\u73af\u4fdd\u4e0e\u5b89\u5168\uff1a\u4e0d\u53ea\u662f\u201c\u6ce1\u201d\u90a3\u4e48\u7b80\u5355 \ud83c\udf31\ud83d\udee1\ufe0f<\/h2>\n

      6.1 \u73af\u4fdd\u6027\u80fd\u5206\u6790 \ud83c\udf0d<\/h3>\n