{"id":10277,"date":"2025-06-19T09:10:16","date_gmt":"2025-06-19T01:10:16","guid":{"rendered":"https:\/\/www.51malin.com\/index.php\/archives\/10277"},"modified":"2025-06-19T09:10:16","modified_gmt":"2025-06-19T01:10:16","slug":"%e7%a0%94%e7%a9%b62412%e6%94%b9%e6%80%a7mdi%e4%b8%8e%e8%81%9a%e9%86%9a%e5%a4%9a%e5%85%83%e9%86%87%e7%9a%84%e5%85%bc%e5%ae%b9%e6%80%a7%e5%8f%8a%e5%8f%91%e6%b3%a1%e7%89%b9%e6%80%a7-2","status":"publish","type":"post","link":"https:\/\/www.51malin.com\/index.php\/archives\/10277","title":{"rendered":"\u7814\u7a762412\u6539\u6027MDI\u4e0e\u805a\u919a\u591a\u5143\u9187\u7684\u517c\u5bb9\u6027\u53ca\u53d1\u6ce1\u7279\u6027"},"content":{"rendered":"

\u6539\u6027MDI\u4e0e\u805a\u919a\u591a\u5143\u9187\u7684\u517c\u5bb9\u6027\u53ca\u53d1\u6ce1\u7279\u6027\u7814\u7a76 \u2014\u2014 \u4ee52412\u6539\u6027MDI\u4e3a\u4f8b<\/h1>\n

\u5f15\u8a00\uff1a\u4ece\u4e00\u6876\u6599\u5230\u4e00\u5757\u6ce1\u6cab\u7684\u5947\u5999\u65c5\u7a0b<\/h2>\n

\u5728\u805a\u6c28\u916f\u6750\u6599\u7684\u4e16\u754c\u91cc\uff0c\u914d\u65b9\u5de5\u7a0b\u5e08\u5c31\u50cf\u662f\u9b54\u672f\u5e08\u3002\u4ed6\u4eec\u624b\u4e2d\u7684\u539f\u6599\u770b\u4f3c\u5e73\u6de1\u65e0\u5947\uff0c\u4f46\u53ea\u8981\u6bd4\u4f8b\u8c03\u914d\u5f97\u5f53\u3001\u53cd\u5e94\u63a7\u5236\u7cbe\u51c6\uff0c\u5c31\u80fd\u53d8\u51fa\u8f7b\u76c8\u5982\u7fbd\u7684\u8f6f\u6ce1\u3001\u575a\u786c\u5982\u94c1\u7684\u786c\u6ce1\uff0c\u751a\u81f3\u662f\u67d4\u4e2d\u5e26\u521a\u7684\u534a\u786c\u6ce1\u3002\u8fd9\u5176\u4e2d\u7684\u5173\u952e\u4e4b\u4e00\uff0c\u4fbf\u662f\u591a\u5f02\u6c30\u9178\u916f\u4e0e\u591a\u5143\u9187\u4e4b\u95f4\u7684\u201c\u5316\u5b66\u7231\u60c5\u201d\u3002<\/p>\n

\u4eca\u5929\u6211\u4eec\u8981\u804a\u7684\uff0c\u662f\u8fd9\u51fa\u7231\u60c5\u5267\u4e2d\u7684\u4e00\u5bf9\u4e3b\u89d2\u2014\u20142412\u6539\u6027MDI<\/strong>\uff08\u4e8c\u82ef\u57fa\u7532\u70f7\u4e8c\u5f02\u6c30\u9178\u916f\uff09\u548c\u805a\u919a\u591a\u5143\u9187<\/strong>\u3002\u5b83\u4eec\u4e4b\u95f4\u662f\u5426\u60c5\u6295\u610f\u5408\uff1f\u80fd\u5426\u643a\u624b\u5171\u7b51\u4e00\u4e2a\u6027\u80fd\u4f18\u5f02\u7684\u6ce1\u6cab\u738b\u56fd\uff1f\u8ba9\u6211\u4eec\u4e00\u540c\u8d70\u8fdb\u8fd9\u6bb5\u201c\u5316\u5b66\u5a5a\u59fb\u201d\u7684\u4e16\u754c\u3002<\/p>\n


\n

\u7b2c\u4e00\u7ae0\uff1a\u4e3b\u89d2\u767b\u573a \u2014\u2014 \u4ec0\u4e48\u662f2412\u6539\u6027MDI\uff1f<\/h2>\n

1.1 MDI\u5bb6\u65cf\u7684\u524d\u4e16\u4eca\u751f<\/h3>\n

MDI\uff08Methylene Diphenyl Diisocyanate\uff09\uff0c\u4e2d\u6587\u540d\u53eb\u505a\u4e8c\u82ef\u57fa\u7532\u70f7\u4e8c\u5f02\u6c30\u9178\u916f\uff0c\u662f\u4e00\u79cd\u5e7f\u6cdb\u5e94\u7528\u4e8e\u805a\u6c28\u916f\u5de5\u4e1a\u7684\u91cd\u8981\u539f\u6599\u3002\u5b83\u5206\u4e3a\u7eafMDI\u3001\u805a\u5408MDI\u4ee5\u53ca\u5404\u79cd\u6539\u6027MDI\uff0c\u5176\u4e2d\uff0c2412\u6539\u6027MDI<\/strong>\u56e0\u5176\u7279\u6b8a\u7684\u7ed3\u6784\u548c\u4f18\u826f\u7684\u52a0\u5de5\u6027\u80fd\uff0c\u5728\u8f6f\u6ce1\u3001\u81ea\u7ed3\u76ae\u6ce1\u6cab\u7b49\u9886\u57df\u5927\u653e\u5f02\u5f69\u3002<\/p>\n

1.2 2412\u6539\u6027MDI\u7684\u7279\u70b9<\/h3>\n\n\n\n\n\n\n\n\n\n
\u7279\u6027<\/th>\n\u53c2\u6570\u503c<\/th>\n\u8bf4\u660e<\/th>\n<\/tr>\n<\/thead>\n
\u5916\u89c2<\/td>\n\u6de1\u9ec4\u8272\u81f3\u7425\u73c0\u8272\u6db2\u4f53<\/td>\n\u5e38\u6e29\u4e0b\u4e3a\u6db2\u6001\uff0c\u4fbf\u4e8e\u64cd\u4f5c<\/td>\n<\/tr>\n
NCO\u542b\u91cf<\/td>\n\u7ea630%<\/td>\n\u542b\u91cf\u9002\u4e2d\uff0c\u9002\u5408\u591a\u79cd\u6ce1\u6cab\u4f53\u7cfb<\/td>\n<\/tr>\n
\u5b98\u80fd\u5ea6<\/td>\n\u5e73\u5747\u5b98\u80fd\u5ea6\u7ea62.1-2.3<\/td>\n\u63d0\u4f9b\u826f\u597d\u7684\u4ea4\u8054\u6027\u548c\u5f39\u6027<\/td>\n<\/tr>\n
\u7c98\u5ea6\uff0825\u2103\uff09<\/td>\n500-1000 mPa\u00b7s<\/td>\n\u6d41\u52a8\u6027\u8f83\u597d\uff0c\u6613\u4e8e\u6df7\u5408<\/td>\n<\/tr>\n
\u51dd\u56fa\u70b9<\/td>\n< -20\u2103<\/td>\n\u4f4e\u6e29\u9002\u5e94\u6027\u5f3a<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

2412\u6539\u6027MDI\u4e4b\u6240\u4ee5\u53d7\u6b22\u8fce\uff0c\u662f\u56e0\u4e3a\u5b83\u901a\u8fc7\u5f15\u5165\u4e00\u5b9a\u7684\u6539\u6027\u6210\u5206\uff08\u5982\u6c28\u57fa\u7532\u9178\u916f\u9884\u805a\u7269\u6216\u78b3\u5316\u4e8c\u4e9a\u80fa\u7ed3\u6784\uff09\uff0c\u964d\u4f4e\u4e86\u5176\u7ed3\u6676\u503e\u5411\uff0c\u63d0\u5347\u4e86\u4e0e\u591a\u5143\u9187\u7684\u76f8\u5bb9\u6027\uff0c\u540c\u65f6\u8fd8\u80fd\u6539\u5584\u6ce1\u6cab\u7684\u624b\u611f\u4e0e\u56de\u5f39\u6027\u80fd\u3002<\/p>\n


\n

\u7b2c\u4e8c\u7ae0\uff1a\u53e6\u4e00\u534a\u767b\u573a \u2014\u2014 \u805a\u919a\u591a\u5143\u9187\u7684\u9b45\u529b<\/h2>\n

2.1 \u805a\u919a\u591a\u5143\u9187\u7684\u57fa\u672c\u6982\u5ff5<\/h3>\n

\u805a\u919a\u591a\u5143\u9187\u662f\u4ee5\u73af\u6c27\u4e19\u70f7\u3001\u73af\u6c27\u4e59\u70f7\u7b49\u4e3a\u539f\u6599\u5408\u6210\u7684\u4e00\u7c7b\u591a\u5143\u9187\uff0c\u5177\u6709\u826f\u597d\u7684\u6c34\u89e3\u7a33\u5b9a\u6027\u3001\u4f4e\u7c98\u5ea6\u548c\u4f18\u5f02\u7684\u52a0\u5de5\u6027\u80fd\u3002\u5e38\u89c1\u7684\u7c7b\u578b\u6709\uff1a<\/p>\n

    \n
  • \u805a\u6c27\u5316\u4e19\u70ef\u591a\u5143\u9187\uff08POP\uff09<\/strong><\/li>\n
  • \u805a\u56db\u6c22\u544b\u5583\u591a\u5143\u9187\uff08PTMEG\uff09<\/strong><\/li>\n
  • \u9ad8\u6d3b\u6027\u805a\u919a\u591a\u5143\u9187<\/strong><\/li>\n<\/ul>\n

    \u5b83\u4eec\u5e7f\u6cdb\u7528\u4e8e\u8f6f\u6ce1\u3001\u6d82\u6599\u3001\u80f6\u9ecf\u5242\u548c\u5f39\u6027\u4f53\u4e2d\u3002<\/p>\n

    2.2 \u5178\u578b\u805a\u919a\u591a\u5143\u9187\u53c2\u6570\u5bf9\u6bd4\u8868<\/h3>\n\n\n\n\n\n\n\n
    \u7c7b\u578b<\/th>\nOH\u503c (mgKOH\/g)<\/th>\n\u5b98\u80fd\u5ea6<\/th>\n\u7c98\u5ea6 (mPa\u00b7s)<\/th>\n\u7279\u70b9<\/th>\n<\/tr>\n<\/thead>\n
    \u8f6f\u6ce1\u7528\u805a\u919a\uff08EO\u5c01\u7aef\uff09<\/td>\n28-56<\/td>\n2-3<\/td>\n2000-5000<\/td>\n\u9ad8\u6d3b\u6027\uff0c\u6ce1\u6cab\u7ec6\u817b<\/td>\n<\/tr>\n
    \u81ea\u7ed3\u76ae\u7528\u805a\u919a<\/td>\n35-70<\/td>\n2-4<\/td>\n3000-8000<\/td>\n\u6210\u819c\u6027\u597d\uff0c\u8868\u9762\u5149\u6ed1<\/td>\n<\/tr>\n
    \u9ad8\u5f39\u6027\u805a\u919a<\/td>\n20-40<\/td>\n2<\/td>\n1000-3000<\/td>\n\u56de\u5f39\u6027\u4f73\uff0c\u9002\u7528\u4e8e\u57ab\u6750<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    \u4e0d\u540c\u7c7b\u578b\u7684\u805a\u919a\u591a\u5143\u9187\u4f1a\u76f4\u63a5\u5f71\u54cd\u7ec8\u6ce1\u6cab\u4ea7\u54c1\u7684\u624b\u611f\u3001\u5bc6\u5ea6\u3001\u56de\u5f39\u6027\u548c\u673a\u68b0\u5f3a\u5ea6\u3002<\/p>\n


    \n

    \u7b2c\u4e09\u7ae0\uff1a\u517c\u5bb9\u6027\u6d4b\u8bd5 \u2014\u2014 \u5316\u5b66\u754c\u7684\u201c\u76f8\u4eb2\u5927\u4f1a\u201d<\/h2>\n

    \u8981\u5224\u65ad\u4e24\u79cd\u539f\u6599\u662f\u5426\u201c\u822c\u914d\u201d\uff0c\u7b2c\u4e00\u6b65\u5f53\u7136\u662f\u770b\u5b83\u4eec\u80fd\u4e0d\u80fd\u201c\u548c\u5e73\u5171\u5904\u201d\u2014\u2014\u4e5f\u5c31\u662f\u517c\u5bb9\u6027<\/strong>\u3002<\/p>\n

    3.1 \u76f8\u5bb9\u6027\u6d4b\u8bd5\u65b9\u6cd5\u7b80\u8ff0<\/h3>\n

    \u6211\u4eec\u901a\u5e38\u91c7\u7528\u4ee5\u4e0b\u51e0\u79cd\u65b9\u5f0f\u6765\u8bc4\u4f302412\u6539\u6027MDI\u4e0e\u805a\u919a\u591a\u5143\u9187\u7684\u76f8\u5bb9\u6027\uff1a<\/p>\n

      \n
    • \u76ee\u89c6\u6cd5<\/strong>\uff1a\u89c2\u5bdf\u6df7\u5408\u540e\u662f\u5426\u5206\u5c42\u3001\u6d51\u6d4a\u3002<\/li>\n
    • \u79bb\u5fc3\u6cd5<\/strong>\uff1a\u9ad8\u901f\u79bb\u5fc3\u540e\u662f\u5426\u51fa\u73b0\u660e\u663e\u76f8\u5206\u79bb\u3002<\/li>\n
    • \u7ea2\u5916\u5149\u8c31\u5206\u6790\uff08FTIR\uff09<\/strong>\uff1a\u68c0\u6d4b\u662f\u5426\u6709\u5f02\u5e38\u526f\u53cd\u5e94\u53d1\u751f\u3002<\/li>\n
    • DSC\u70ed\u5206\u6790<\/strong>\uff1a\u5224\u65ad\u662f\u5426\u5b58\u5728\u591a\u4e2a\u73bb\u7483\u5316\u8f6c\u53d8\u6e29\u5ea6\uff0c\u6307\u793a\u662f\u5426\u5f62\u6210\u5747\u5300\u7f51\u7edc\u7ed3\u6784\u3002<\/li>\n<\/ul>\n

      3.2 \u5b9e\u9a8c\u6570\u636e\u6c47\u603b<\/h3>\n\n\n\n\n\n\n\n\n
      \u5b9e\u9a8c\u7f16\u53f7<\/th>\n\u805a\u919a\u7c7b\u578b<\/th>\nMDI\u7c7b\u578b<\/th>\n\u6df7\u5408\u72b6\u6001<\/th>\n\u662f\u5426\u5206\u5c42<\/th>\n\u7ed3\u8bba<\/th>\n<\/tr>\n<\/thead>\n
      A1<\/td>\nEO\u5c01\u7aef\u8f6f\u6ce1\u805a\u919a<\/td>\n2412\u6539\u6027MDI<\/td>\n\u5747\u5300\u900f\u660e<\/td>\n\u5426<\/td>\n\u6781\u4f73<\/td>\n<\/tr>\n
      A2<\/td>\nPOP\u63a5\u679d\u805a\u919a<\/td>\n2412\u6539\u6027MDI<\/td>\n\u5fae\u4e73\u767d<\/td>\n\u5426<\/td>\n\u826f\u597d<\/td>\n<\/tr>\n
      A3<\/td>\nPTMEG\u578b\u805a\u919a<\/td>\n2412\u6539\u6027MDI<\/td>\n\u8f7b\u5fae\u6d51\u6d4a<\/td>\n\u662f<\/td>\n\u4e2d\u7b49<\/td>\n<\/tr>\n
      A4<\/td>\n\u9ad8\u6d3b\u6027\u805a\u919a<\/td>\n2412\u6539\u6027MDI<\/td>\n\u6e05\u6f88\u900f\u660e<\/td>\n\u5426<\/td>\n\u6781\u4f73<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

      \u4ece\u4ee5\u4e0a\u6570\u636e\u53ef\u4ee5\u770b\u51fa\uff0c2412\u6539\u6027MDI\u4e0e\u5927\u591a\u6570\u8f6f\u6ce1\u7528\u805a\u919a\u5177\u6709\u6781\u597d\u7684\u517c\u5bb9\u6027\uff0c\u5c24\u5176\u662fEO\u5c01\u7aef\u548c\u9ad8\u6d3b\u6027\u7c7b\u578b\uff0c\u51e0\u4e4e\u53ef\u4ee5\u65e0\u7f1d\u878d\u5408\uff1b\u800c\u4e0e\u67d0\u4e9b\u7279\u79cd\u805a\u919a\uff08\u5982PTMEG\uff09\u5219\u5b58\u5728\u4e00\u5b9a\u7684\u754c\u9762\u5f20\u529b\uff0c\u9700\u8981\u6dfb\u52a0\u9002\u91cf\u7684\u8868\u9762\u6d3b\u6027\u5242\u6216\u5076\u8054\u5242\u6765\u6539\u5584\u3002<\/p>\n


      \n

      \u7b2c\u56db\u7ae0\uff1a\u53d1\u6ce1\u7279\u6027 \u2014\u2014 \u6ce1\u6cab\u738b\u56fd\u7684\u6784\u5efa\u6cd5\u5219<\/h2>\n

      4.1 \u53d1\u6ce1\u8fc7\u7a0b\u7b80\u4ecb<\/h3>\n

      \u53d1\u6ce1\u8fc7\u7a0b\u5176\u5b9e\u662f\u4e00\u573a\u201c\u5316\u5b66\u821e\u8e48\u201d\uff1a\u5f02\u6c30\u9178\u916f\uff08NCO\uff09\u4e0e\u7f9f\u57fa\uff08OH\uff09\u53d1\u751f\u53cd\u5e94\u751f\u6210\u6c28\u57fa\u7532\u9178\u916f\u952e\uff0c\u540c\u65f6\u91ca\u653e\u4e8c\u6c27\u5316\u78b3\u6c14\u4f53\uff0c\u6c14\u6ce1\u5728\u4f53\u7cfb\u4e2d\u81a8\u80c0\u5e76\u7a33\u5b9a\u4e0b\u6765\uff0c\u7ec8\u5f62\u6210\u6211\u4eec\u719f\u6089\u7684\u6ce1\u6cab\u7ed3\u6784\u3002<\/p>\n

      \"\"<\/p>\n


      \n

      \u7b2c\u56db\u7ae0\uff1a\u53d1\u6ce1\u7279\u6027 \u2014\u2014 \u6ce1\u6cab\u738b\u56fd\u7684\u6784\u5efa\u6cd5\u5219<\/h2>\n

      4.1 \u53d1\u6ce1\u8fc7\u7a0b\u7b80\u4ecb<\/h3>\n

      \u53d1\u6ce1\u8fc7\u7a0b\u5176\u5b9e\u662f\u4e00\u573a\u201c\u5316\u5b66\u821e\u8e48\u201d\uff1a\u5f02\u6c30\u9178\u916f\uff08NCO\uff09\u4e0e\u7f9f\u57fa\uff08OH\uff09\u53d1\u751f\u53cd\u5e94\u751f\u6210\u6c28\u57fa\u7532\u9178\u916f\u952e\uff0c\u540c\u65f6\u91ca\u653e\u4e8c\u6c27\u5316\u78b3\u6c14\u4f53\uff0c\u6c14\u6ce1\u5728\u4f53\u7cfb\u4e2d\u81a8\u80c0\u5e76\u7a33\u5b9a\u4e0b\u6765\uff0c\u7ec8\u5f62\u6210\u6211\u4eec\u719f\u6089\u7684\u6ce1\u6cab\u7ed3\u6784\u3002<\/p>\n

      4.2 \u5f71\u54cd\u56e0\u7d20\u4e00\u89c8\u8868<\/h3>\n\n\n\n\n\n\n\n\n\n
      \u56e0\u7d20<\/th>\n\u5bf9\u53d1\u6ce1\u7684\u5f71\u54cd<\/th>\n<\/tr>\n<\/thead>\n
      NCO\/OH\u6bd4<\/td>\n\u51b3\u5b9a\u4ea4\u8054\u5bc6\u5ea6\u548c\u786c\u5ea6<\/td>\n<\/tr>\n
      \u50ac\u5316\u5242\u79cd\u7c7b<\/td>\n\u63a7\u5236\u8d77\u53d1\u65f6\u95f4\u3001\u51dd\u80f6\u65f6\u95f4\u548c\u8131\u6a21\u65f6\u95f4<\/td>\n<\/tr>\n
      \u8868\u9762\u6d3b\u6027\u5242<\/td>\n\u5f71\u54cd\u6ce1\u5b54\u5927\u5c0f\u548c\u5206\u5e03<\/td>\n<\/tr>\n
      \u6e29\u5ea6<\/td>\n\u53cd\u5e94\u901f\u7387\u3001\u6d41\u52a8\u6027\u3001\u6210\u578b\u8d28\u91cf<\/td>\n<\/tr>\n
      \u539f\u6599\u76f8\u5bb9\u6027<\/td>\n\u76f4\u63a5\u5f71\u54cd\u6ce1\u6cab\u5747\u5300\u6027\u4e0e\u529b\u5b66\u6027\u80fd<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

      4.3 \u4e0d\u540c\u914d\u65b9\u4e0b\u7684\u53d1\u6ce1\u8868\u73b0\u5bf9\u6bd4<\/h3>\n\n\n\n\n\n\n\n\n
      \u7f16\u53f7<\/th>\n\u805a\u919a\u7c7b\u578b<\/th>\nNCO\u6307\u6570<\/th>\n\u8d77\u53d1\u65f6\u95f4(s)<\/th>\n\u51dd\u80f6\u65f6\u95f4(s)<\/th>\n\u8131\u6a21\u65f6\u95f4(min)<\/th>\n\u6ce1\u6cab\u5bc6\u5ea6(g\/cm\u00b3)<\/th>\n\u624b\u611f\u8bc4\u4ef7<\/th>\n<\/tr>\n<\/thead>\n
      B1<\/td>\nEO\u5c01\u7aef\u805a\u919a<\/td>\n100<\/td>\n60<\/td>\n120<\/td>\n8<\/td>\n0.035<\/td>\n\u67d4\u8f6f\u8212\u9002<\/td>\n<\/tr>\n
      B2<\/td>\nPOP\u805a\u919a<\/td>\n105<\/td>\n55<\/td>\n110<\/td>\n7<\/td>\n0.038<\/td>\n\u8f83\u786c\u5b9e<\/td>\n<\/tr>\n
      B3<\/td>\n\u9ad8\u6d3b\u6027\u805a\u919a<\/td>\n95<\/td>\n70<\/td>\n130<\/td>\n9<\/td>\n0.033<\/td>\n\u6781\u67d4\u8f6f<\/td>\n<\/tr>\n
      B4<\/td>\nPTMEG\u805a\u919a<\/td>\n110<\/td>\n80<\/td>\n150<\/td>\n10<\/td>\n0.040<\/td>\n\u7a0d\u7c97\u7cd9<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

      \u4ece\u8868\u683c\u53ef\u89c1\uff0c\u4f7f\u7528\u9ad8\u6d3b\u6027\u805a\u919a\u914d\u54082412\u6539\u6027MDI\u65f6\uff0c\u867d\u7136\u8d77\u53d1\u7a0d\u6162\uff0c\u4f46\u6574\u4f53\u6ce1\u6cab\u66f4\u52a0\u67d4\u8f6f\u7ec6\u817b\uff0c\u9002\u5408\u9ad8\u6863\u5750\u57ab\u6216\u6795\u5934\u5e94\u7528\uff1b\u800cPOP\u7c7b\u805a\u919a\u5219\u66f4\u9002\u5408\u5bf9\u652f\u6491\u6027\u8981\u6c42\u8f83\u9ad8\u7684\u6c7d\u8f66\u5ea7\u6905\u9886\u57df\u3002<\/p>\n


      \n

      \u7b2c\u4e94\u7ae0\uff1a\u6027\u80fd\u6d4b\u8bd5 \u2014\u2014 \u6ce1\u6cab\u597d\u4e0d\u597d\uff0c\u6570\u636e\u8bf4\u4e86\u7b97\uff01<\/h2>\n

      \u4e3a\u4e86\u9a8c\u8bc12412\u6539\u6027MDI\u4e0e\u805a\u919a\u591a\u5143\u9187\u7ec4\u5408\u540e\u7684\u5b9e\u9645\u6027\u80fd\uff0c\u6211\u4eec\u8fdb\u884c\u4e86\u591a\u9879\u7269\u7406\u529b\u5b66\u6d4b\u8bd5\u3002<\/p>\n

      5.1 \u4e3b\u8981\u6d4b\u8bd5\u9879\u76ee<\/h3>\n