{"id":3108,"date":"2022-05-18T16:55:23","date_gmt":"2022-05-18T08:55:23","guid":{"rendered":"https:\/\/www.chinaautoregs.com\/?p=3108"},"modified":"2024-08-05T09:16:02","modified_gmt":"2024-08-05T01:16:02","slug":"gb-t-20042-7-2014%e8%8b%b1%e6%96%87%e7%89%88%e7%bf%bb%e8%af%91-%e8%b4%a8%e5%ad%90%e4%ba%a4%e6%8d%a2%e8%86%9c%e7%87%83%e6%96%99%e7%94%b5%e6%b1%a0-%e7%ac%ac7%e9%83%a8%e5%88%86%ef%bc%9a%e7%82%ad%e7%ba%b8","status":"publish","type":"post","link":"https:\/\/www.chinaautoregs.com\/?p=3108","title":{"rendered":"GB\/T 20042.7-2014\u82f1\u6587\u7248\u7ffb\u8bd1 \u8d28\u5b50\u4ea4\u6362\u819c\u71c3\u6599\u7535\u6c60\u70ad\u7eb8\u7279\u6027\u6d4b\u8bd5\u65b9\u6cd5"},"content":{"rendered":"

ChinaAutoRegs|GB\/T 20042.7-2014 \u82f1\u6587\u7248 \u8d28\u5b50\u4ea4\u6362\u819c\u71c3\u6599\u7535\u6c60 \u7b2c7\u90e8\u5206\uff1a\u70ad\u7eb8\u7279\u6027\u6d4b\u8bd5\u65b9\u6cd5
\nProton Exchange Membrane Fuel Cell – Part 7: Test Method of Carbon Paper Properties<\/p>\n

<\/p>\n

CONTENTS<\/p>\n

Foreword
\n1 Scope
\n2 Normative References
\n3 Terms, Definitions and Symbols
\n4 Test Preparation
\n5 Test Instruments and Equipment
\n6 Thickness Uniformity Test
\n7 Resistance Test
\n8 Mechanical Strength Test
\n9 Gas Permeability Test
\n10 Porosity Test
\n11 Bulk Density Test
\n12 Area Density Test
\n13 Roughness Measurement
\n14 Test Report
\nAnnex A (Informative) Test Preparation
\nAnnex B (Informative) Test Report
\nAnnex C (Informative) Thermal Conductivity Test
\nAnnex D (Informative) Sum of Body Resistances of Two Copper Electrodes and Interfacial Contact Resistance between Carbon Paper and Electrode
\nBibliography<\/p>\n

1\u8303\u56f4
\nGB\/T 20042\u7684\u672c\u90e8\u5206\u7ed9\u51fa\u4e86\u8d28\u5b50\u4ea4\u6362\u819c\u71c3\u6599\u7535\u6c60\u70ad\u7eb8\u7279\u6027\u6d4b\u8bd5\u65b9\u6cd5\u7684\u672f\u8bed\u548c\u5b9a\u4e49\u3001\u539a\u5ea6\u5747\u5300\u6027\u6d4b\u8bd5\u3001\u7535\u963b\u6d4b\u8bd5\u3001\u673a\u68b0\u5f3a\u5ea6\u6d4b\u8bd5\u3001\u900f\u6c14\u7387\u6d4b\u8bd5\u3001\u5b54\u9699\u7387\u6d4b\u8bd5\u3001\u8868\u89c2\u5bc6\u5ea6\u6d4b\u8bd5\u3001\u9762\u5bc6\u5ea6\u6d4b\u8bd5\u3001\u7c97\u7cd9\u5ea6\u6d4b\u8bd5\u548c\u6d4b \u8bd5\u62a5\u544a\u3002
\n\u672c\u90e8\u5206\u9002\u7528\u4e8e\u8d28\u5b50\u4ea4\u6362\u819c\u71c3\u6599\u7535\u6c60\u7528\u5404\u79cd\u7c7b\u578b\u7684\u70ad\u7eb8\u3002
\n2\u89c4\u8303\u6027\u5f15\u7528\u6587\u4ef6
\n\u4e0b\u5217\u6587\u4ef6\u5bf9\u4e8e\u672c\u6587\u4ef6\u7684\u5e94\u7528\u662f\u5fc5\u4e0d\u53ef\u5c11\u7684\u3002\u51e1\u662f\u6ce8\u65e5\u671f\u7684\u5f15\u7528\u6587\u4ef6\uff0c\u4ec5\u6ce8\u65e5\u671f\u7684\u7248\u672c\u9002\u7528\u4e8e\u672c\u6587 \u4ef6\u3002\u51e1\u662f\u4e0d\u6ce8\u65e5\u671f\u7684\u5f15\u7528\u6587\u4ef6\uff0c\u5176\u6700\u65b0\u7248\u672c(\u5305\u62ec\u6240\u6709\u7684\u4fee\u6539\u5355)\u9002\u7528\u4e8e\u672c\u6587\u4ef6\u3002
\nGB\/T 1040.3\u20142006\u5851\u6599\u62c9\u4f38\u6027\u80fd\u7684\u6d4b\u5b9a\u7b2c3\u90e8\u5206:\u8584\u819c\u548c\u8584\u7247\u7684\u8bd5\u9a8c\u6761\u4ef6
\nGB\/T 13465.2\u20142002\u4e0d\u900f\u6027\u77f3\u58a8\u6750\u6599\u6297\u5f2f\u5f3a\u5ea6\u8bd5\u9a8c\u65b9\u6cd5
\nGB\/T 20042.1\u20142005\u8d28\u5b50\u4ea4\u6362\u819c\u71c3\u6599\u7535\u6c60\u672f\u8bed
\nGB\/T 28816\u20142012\u71c3\u6599\u7535\u6c60\u672f\u8bed
\n3\u672f\u8bed\u3001\u5b9a\u4e49\u548c\u7b26\u53f7
\n3.1\u672f\u8bed\u548c\u5b9a\u4e49
\nGB\/T 20042.1\u20142005\u53caGB\/T 28816\u20142012\u754c\u5b9a\u7684\u4ee5\u53ca\u4e0b\u5217\u672f\u8bed\u548c\u5b9a\u4e49\u9002\u7528\u4e8e\u672c\u6587\u4ef6\u3002
\n3.1.1
\n\u5782\u76f4\u65b9\u5411\u7535\u963b\u7387 through-plane resistivity
\n\u70ad\u7eb8\u539a\u5ea6\u65b9\u5411\u7684\u7535\u963b\u7387\uff0c\u5355\u4f4d\u4e3a\u6beb\u6b27\u5398\u7c73(mn \u2022 cm)\u3002
\n3.1.2
\n\u5e73\u9762\u65b9\u5411\u7535\u963b\u7387 in-plane resistivity
\n\u70ad\u7eb8\u5e73\u9762\u65b9\u5411\u7684\u7535\u963b\u7387\uff0c\u5355\u4f4d\u4e3a\u6beb\u6b27\u5398\u7c73\uff08mn \u2022 cm)\u3002
\n3.1.3
\n\u900f\u6c14\u7387 gas permeability
\n\u5728\u6052\u5b9a\u6e29\u5ea6\u4e0b\uff0c\u5355\u4f4d\u538b\u5dee\u3001\u5355\u4f4d\u65f6\u95f4\u6c14\u4f53\u900f\u8fc7\u5355\u4f4d\u539a\u5ea6\u3001\u5355\u4f4d\u9762\u79ef\u6837\u54c1\u4e0a\u7684\u6c14\u4f53\u4f53\u79ef\uff0c\u5355\u4f4d\u4e3a\u6beb\u5347\u6beb \u7c73\u6bcf\u5e73\u65b9\u5398\u7c73\u5c0f\u65f6\u6beb\u7c73\u91c7\u67f1[mL \u2022 mm\/(cm2 \u2022 h \u2022 mmHg)]\u3002
\n3.1.4
\n\u5b54\u9699\u7387porosity
\n\u70ad\u7eb8\u5b54\u9699\u4f53\u79ef\u5360\u5176\u603b\u4f53\u79ef\u7684\u767e\u5206\u7387\u3002
\n3.1.5
\n\u9762\u5bc6\u5ea6 area density
\n\u70ad\u7eb8\u8d28\u91cf\u4e0e\u8868\u89c2\u9762\u79ef\u7684\u6bd4\u503c\uff0c\u5355\u4f4d\u4e3a\u514b\u6bcf\u5e73\u65b9\u5398\u7c73(g\/cm2)\u3002
\n\u6ce8\uff1a\u70ad\u7eb8\u7684\u8868\u89c2\u9762\u79ef\u4e3a\u5176\u8868\u89c2\u957f\u5ea6\u4e0e\u5bbd\u5ea6\u7684\u79ef\u3002
\n3.1.6
\n\u8868\u89c2\u5bc6\u5ea6 bulk density
\n\u70ad\u7eb8\u8d28\u91cf\u4e0e\u8868\u89c2\u4f53\u79ef\u7684\u6bd4\u503c\uff0c\u5355\u4f4d\u4e3a\u514b\u6bcf\u7acb\u65b9\u5398\u7c73(g\/cm3)\u3002 \u6ce8\uff1a\u70ad\u7eb8\u7684\u8868\u89c2\u4f53\u79ef\u4e3a\u5176\u5e73\u5747\u539a\u5ea6\u4e0e\u8868\u89c2\u9762\u79ef\u7684\u4e58\u79ef\u3002
\n3.1.7
\n\u8868\u9762\u7c97M\u5ea6 surface roughness
\n\u70ad\u7eb8\u8868\u9762\u5fae\u5c0f\u5cf0\u8c37\u7684\u5fae\u89c2\u4e0d\u5e73\u5ea6\u3002\u901a\u5e38\u7528\u4e00\u4e2a\u53d6\u6837\u957f\u5ea6^\u5185\uff0c\u8f6e\u5ed3\u4e0a\u5404\u70b9\u5230\u8f6e\u5ed3\u4e2d\u7ebfX\u7edd\u5bf9\u503c \u7684\u7b97\u672f\u5e73\u5747\u503c(\u8f6e\u5ed3\u7684\u7b97\u672f\u5e73\u5747\u504f\u5dee\u53ea\u5e7b\u6216\u7528\u6700\u5927\u8f6e\u5ed3\u5cf0\u9ad8\u4e0e\u6700\u5927\u8f6e\u5ed3\u8c37\u6df1\u4e4b\u548c\uff08\u8f6e\u5ed3\u7684\u6700\u5927\u9ad8\u5ea6\u53ea\u5e7b \u6765\u8868;^\uff0c\u5355\u4f4d\u4e3a\u5fae\u7c73\uff08\/^m)\u3002
\n\u6ce8\uff1a\u8f6e\u5ed3\u7684\u4e2d\u7ebf\uff08\u89c1\u56fe1\u7684X)\u5305\u62ec\u8f6e\u5ed3\u7684\u7b97\u672f\u5e73\u5747\u4e2d\u7ebf\u548c\u8f6e\u5ed3\u7684\u6700\u5c0f\u4e8c\u4e58\u4e2d\u7ebf\u4e24\u79cd\u3002\u8f6e\u5ed3\u7684\u7b97\u672f\u5e73\u5747\u4e2d\u7ebf\u662f\u5728\u53d6 \u6837\u957f\u5ea6\u8303\u56f4\u5185\uff0c\u5c06\u5b9e\u9645\u8f6e\u5ed3\u5212\u5206\u4e0a\u3001\u4e0b\u4e24\u90e8\u5206\uff0c\u4e14\u4f7f\u4e0a\u4e0b\u9762\u79ef\u76f8\u7b49\u7684\u76f4\u7ebf\u3002\u8f6e\u5ed3\u7684\u6700\u5c0f\u4e8c\u4e58\u4e2d\u7ebf\u662f\u5728\u53d6\u6837\u957f\u5ea6
\n\u5185\uff0c\u4f7f\u8f6e\u5ed3\u4e0a\u5404\u70b9\u81f3\u4e00\u6761\u8be5\u7ebf\u7684\u8ddd\u79bb\u5e73\u65b9\u548c\u4e3a\u6700\u5c0f\u3002<\/p>\n

\u56fe1\u8f6e\u5ed3\u7684\u4e2d\u7ebf\u53ca\u793a\u610f\u56fe
\n3.1.8
\n\u5bfc\u70ed\u7cfb\u6570 thermal conductivity
\n\u5355\u4f4d\u6e29\u5ea6\u5dee\u3001\u5355\u4f4d\u9762\u79ef\u3001\u5355\u4f4d\u65f6\u95f4\u5185\u901a\u8fc7\u5355\u4f4d\u539a\u5ea6\u70ad\u7eb8\u7684\u70ed\u91cf\uff0c\u5355\u4f4d\u4e3a\u74e6\u6bcf\u7c73\u5f00[W\/(m \u2022 K)]\u3002
\n\u6ce8\uff1a\u5bfc\u70ed\u7cfb\u6570\u7684\u6d4b\u8bd5\u89c1\u9644\u5f55C\u3002<\/p>\n

\u6d4b\u8bd5\u51c6\u5907
\n4.1\u6837\u54c1\u51c6\u5907
\n4.1.1\u5c3a\u5bf8\u4e3a25 cm2(5 cmX5 cm)\u7684\u6d4b\u8bd5\u6837\u54c1\u6570\u91cf\u4e0d\u5c11\u4e8e20\u4e2a\uff1b\u5c3a\u5bf8\u4e3a100 cm2(10 cmXlO cm)\u7684\u6d4b \u8bd5\u6837\u54c1\u6570\u91cf\u4e0d\u5c11\u4e8e15\u4e2a\u3002\u6837\u54c1\u5f62\u72b6\u548c\u5c3a\u5bf8\u4e5f\u53ef\u7531\u6d4b\u8bd5\u53cc\u65b9\u534f\u5546\u51b3\u5b9a\u3002
\n4.1.2\u6837\u54c1\u5e94\u65e0\u8936\u76b1\u3001\u5212\u75d5\u548c\u7834\u635f\u3002
\n4.1.3\u6bcf\u4e00\u9879\u6d4b\u8bd5\u81f3\u5c11\u6d4b\u8bd53\u6b21(\u786e\u4fdd\u5f97\u52303\u4e2a\u6709\u6548\u503c\uff09\u3002
\n4.1.4\u6837\u54c1\u4ece\u53ef\u91cd\u590d\u7684\u540c\u4e00\u6279\u6b21\u6216\u4e0d\u540c\u6279\u6b21\u4e2d\u62bd\u53d6\u3002
\n4.1.5\u5c06\u6837\u54c1\u7f6e\u4e8e\u4e19\u916e\u6eb6\u6db2\u4e2d\u6d78\u6ce10.5 h\uff0c\u9664\u53bb\u5176\u8868\u9762\u53ca\u5185\u90e8\u7684\u6cb9\u5206\u548c\u7070\u5206\uff0c\u968f\u540e\u5c06\u5176\u7f6e\u4e8e\u70d8\u7bb1\u4e2d\u4e8e 120 \u00b0C\u5e72\u71e5\u81f3\u5c112 h\u3002
\n4.2\u6d4b\u8bd5\u51c6\u5907
\n4.2.1\u5bf9\u4e8e\u6bcf\u9879\u8bd5\u9a8c\u6765\u8bf4\uff0c\u5e94\u9009\u62e9\u7b26\u5408\u7cbe\u5ea6\u8981\u6c42\u7684\u68c0\u6d4b\u4eea\u5668\u53ca\u8bbe\u5907\uff0c\u4ee5\u4fbf\u5c06\u8bbe\u5907\u8bef\u5dee\u51cf\u5230\u6700\u5c0f\u3002
\n4.2.2\u8bd5\u9a8c\u5f00\u59cb\u524d\uff0c\u5e94\u7531\u6d4b\u8bd5\u65b9\u548c\u6750\u6599\u5236\u9020\u5546\u534f\u5546\u8bd5\u9a8c\u6761\u4ef6\u3002\u5982\u679c\u6ca1\u6709\u89c4\u5b9a\uff0c\u5e94\u53c2\u7167\u9644\u5f55A\u6216\u9644\u5f55B \u4e2d\u7684\u8bd5\u9a8c\u786e\u5b9a\u6761\u4ef6\u548c\u5185\u5bb9\u8fdb\u884c\u6d4b\u8bd5\u548c\u8bb0\u5f55\u3002
\n4.2.3\u5982\u65e0\u7279\u6b8a\u8bf4\u660e\uff0c\u6d4b\u8bd5\u73af\u5883\u5206\u522b\u4e3a\uff1a\u6e29\u5ea6\u4e3a5 \u00b0C\u301c40 \u00b0C\uff0c\u76f8\u5bf9\u6e7f\u5ea6\u4e3a10%\u301c90%\u3002
\n5\u6d4b\u8bd5\u4eea\u5668\u548c\u5668\u5177
\n\u672c\u90e8\u5206\u7ed9\u51fa\u7684\u8bd5\u9a8c\u65b9\u6cd5\u4f7f\u7528\u7684\u4eea\u5668\u548c\u5668\u5177\u53ca\u5176\u7cbe\u5ea6\u8981\u6c42\u5982\u4e0b\uff1a
\n\u2014\u2014\u6d4b\u539a\u4eea:\u7528\u4e8e\u6d4b\u91cf\u6837\u54c1\u7684\u539a\u5ea6\uff0c\u7cbe\u5ea6\u4e3a\u00b12
\n\u2014\u2014\u957f\u5ea6\u6d4b\u91cf\u4eea:\u7528\u4e8e\u6d4b\u8bd5\u6837\u54c1\u7684\u957f\u5ea6\u548c\u5bbd\u5ea6\uff0c\u7cbe\u5ea6\u4e3a\u00b1\u3007.\u30072 mm;
\n\u2014\u2014\u7cbe\u5bc6\u7535\u5b50\u5929\u5e73\uff0c\u7528\u4e8e\u6d4b\u8bd5\u6837\u54c1\u7684\u8d28\u91cf\uff0c\u7cbe\u5ea6\u4e3a\u00b1\u3007.l mg;
\n\u2014\u2014\u56db\u63a2\u9488\u7535\u963b\u7387\u6d4b\u8bd5\u4eea:\u7528\u4e8e\u6d4b\u8bd5\u6837\u54c1\u5e73\u9762\u65b9\u5411\u7684\u7535\u963b\u7387\uff0c\u7cbe\u5ea6\u4e3a\u58eb0.1 mn \u2022 cm;
\n\u2014\u2014\u4f4e\u7535\u963b\u6d4b\u8bd5\u4eea:\u7528\u4e8e\u6d4b\u8bd5\u6837\u54c1\u7684\u5782\u76f4\u65b9\u5411\u7535\u963b\uff0c\u7cbe\u5ea6\u4e3a\u00b1\u3007.\u30071 mn\u3002
\n\u2014\u2014\u673a\u68b0\u6027\u80fd\u8bd5\u9a8c\u673a\uff0c\u7528\u4e8e\u6d4b\u8bd5\u6837\u54c1\u7684\u62c9\u4f38\u5f3a\u5ea6\u548c\u5f2f\u66f2\u5f3a\u5ea6\uff0c\u529b\u7cbe\u5ea6\u4e3a\u5176\u91cf\u7a0b\u58eb 0.5%;
\n\u2014\u2014\u673a\u68b0\u6027\u80fd\u8bd5\u9a8c\u673a\uff0c\u7528\u4e8e\u6d4b\u8bd5\u6837\u54c1\u7684\u538b\u7f29\u5f3a\u5ea6\uff0c\u529b\u7cbe\u5ea6\u4e3a\u5176\u91cf\u7a0b\u00b10.5%;
\n\u2014\u2014\u5bc6\u5ea6\u8ba1:\u7528\u4e8e\u6d4b\u8bd5\u6837\u54c1\u7684\u5bc6\u5ea6\uff0c\u7cbe\u5ea6\u4e3a\u58eb\u3007.\u3007\u30072 g\/cm3\u3002
\n\u2014\u2014\u8868\u9762\u7c97\u7cd9\u5ea6\u8f6e\u5ed3\u4eea\uff0c\u7cbe\u5ea6\u4e3a\u00b10.1 Mm;
\n\u2014\u2014\u5fae\u538b\u5dee\u8ba1:\u7528\u4e8e\u6d4b\u8bd5\u538b\u5dee\uff0c\u7cbe\u5ea6\u4e3a\u00b12 Pa;
\n\u2014\u2014\u5fae\u91cf\u8c03\u8282\u9600\uff1a\u7528\u4e8e\u8c03\u8282\u8fdb\u6c14\u6d41\u91cf\uff0c\u7cbe\u5ea6\u4e3a\u5176\u6ee1\u91cf\u7a0b\u7684\u00b11%;
\n\u4e00\u2014\u6c14\u4f53\u6d41\u91cf\u8ba1:\u7528\u4e8e\u6d4b\u91cf\u6c14\u4f53\u6d41\u91cf\uff0c\u7cbe\u5ea6\u4e3a\u5176\u6ee1\u91cf\u7a0b\u7684\u00b1 1 %\u3002
\n6\u539a\u5ea6\u5747\u5300\u6027\u6d4b\u8bd5 6.1\u6d4b\u8bd5\u65b9\u6cd5
\n6.1.1\u6bcf\u6b21\u6d4b\u91cf\u524d\u5e94\u6821\u51c6\u6d4b\u539a\u4eea\u7684\u96f6\u70b9\uff0c\u4e14\u5728\u6bcf\u7ec4\u8bd5\u6837\u6d4b\u91cf\u540e\u5e94\u91cd\u65b0\u68c0\u67e5\u5176\u96f6\u70b9\u3002
\n6.1.2\u5c06\u6d4b\u539a\u4eea\u7684\u6d4b\u91cf\u5934\u5e73\u7f13\u653e\u4e0b\uff0c\u907f\u514d\u6837\u54c1\u53d8\u5f62\u548c\u7834\u635f\uff0c\u8fdb\u884c\u6d4b\u8bd5\u3002
\n6.1.3\u6d4b\u539a\u4eea\u7684\u6d4b\u91cf\u5934\u4e0e\u6837\u54c1\u4e4b\u95f4\u4fdd\u6301\u4e00\u5b9a\u7684\u538b\u5f3a\uff0c\u8bb0\u5f55\u539a\u5ea6\u503c\u3002
\n\u6ce8\uff1a\u63a8\u8350\u538b\u5f3a\u4e3a5 N\/cm2\u3002
\n6.1.4\u6837\u54c1\u5c3a\u5bf8\u4e0d\u5c0f\u4e8e100 cm2,\u4e14\u6bcf\u4e2a25 cm2\u6837\u54c1\u4e0d\u5c11\u4e8e9\u4e2a\u6d4b\u8bd5\u70b9\uff0c\u4e14\u6d4b\u8bd5\u70b9\u5e94\u5747\u5300\u5206\u5e03\u3002<\/p>\n

\n

1\u3001\u73b0\u6210\u8bd1\u6587\uff0c\u5230\u6b3e\u5373\u53d1\u3002<\/span>
\n2\u3001\u4e0b\u5355\u524d\u53ef\u4efb\u53d6\u6837\u9875\u9a8c\u8bc1\u8bd1\u6587\u8d28\u91cf\u3002<\/span>
\n3\u3001\u514d\u8d39\u63d0\u4f9b\u6b63\u89c4\u666e\u901a\u589e\u503c\u7a0e\u6570\u7535\u53d1\u7968\u3002<\/span>
\n4\u3001\u8bf7\u8054\u7cfb\u624b\u673a\/\u5fae\u4fe1: 13306496964\/Email: standardtrans@foxmail.com \u83b7\u53d6\u5b8c\u6574\u8bd1\u6587\u3002<\/span>
\n5\u3001\u672c\u82f1\u6587\u8bd1\u672c\u4e3a\u7eaf\u4eba\u5de5\u4e13\u4e1a\u7cbe\u7ffb\u7248\u672c\uff0c\u4fdd\u8bc1\u8bed\u6cd5\u672f\u8bed\u51c6\u786e\u7387\u548c\u4e13\u4e1a\u5ea6\uff01<\/span>
\n6\u3001\u4e13\u4e1a\u6e90\u4e8e\u4e13\u6ce8|ChinaAutoRegs \u59cb\u7ec8\u4e13\u6ce8\u4e8e\u6c7d\u8f66\u6807\u51c6\u7ffb\u8bd1\u9886\u57df\uff01<\/span>
\n7\u3001\u300c\u4e2d\u56fd\u6c7d\u8f66\u6807\u51c6\u8bd1\u6587\u5e93\u300d\u5df2\u6536\u5f55\u4e0a\u5343\u4e2a\u73b0\u884c\u6c7d\u8f66\u56fd\u5bb6\u6807\u51c6\u548c\u884c\u4e1a\u6807\u51c6\u7684\u82f1\u6587\u7248\u8bd1\u672c\uff0c\u6db5\u76d6\u4f20\u7edf\u71c3\u6cb9\u8f66\u3001\u65b0\u80fd\u6e90\u6c7d\u8f66\u548c\u6469\u6258\u8f66\u6807\u51c6\u5316\u4f53\u7cfb\uff01\u72ec\u5bb6\u6253\u9020\u5343\u4e07\u7ea7\u6c7d\u8f66\u4e13\u4e1a\u672f\u8bed\u5e93\u548c\u8bb0\u5fc6\u5e93\u3002<\/span><\/p>\n

1. The English Translation of this document (GB, GB\/T, QC\/T, CNCA, CQC, CAV, etc.) is readily available, and delivered immediately upon payment.<\/span>
\n2. You may request for sample pages to your preference before placing an order.<\/span>
\n3. Please contact standardtrans@foxmail.com for the complete PDF version in English.<\/span>
\n4. Almost all of Chinese automotive\/automobile standards, regulations and norms in effect have been included in our well-established database, providing one-stop, up-to-date, efficient and professional solution.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"

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