国外虽然出现了自动维卡仪，可实现测试过程的自动化，但是测试方法并不符合测试标准；
Although automatic Vicat apparatus has been appearing, achieving the automatization of testing course, this method don't fit the testing standard;
复合材料的力学性能和耐热性能测试结果表明，适量有机粘土的加入能使其拉伸强度和维卡软化点均较纯聚氯乙烯有较大提高。
The experimental results show that tensile strength is enhanced with the increasing adding of the appropriate organoclay. However, the mechanical property is damaged with the too high clay conte…
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