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2013-05-23 12:21
求翻译:The melting of polypropylene occurs over a specific range. Isotactic PP has a melting point of 171 C. Commercial isotactic PP has a melting point that ranges from 160 to 166 C, depending on atactic material and crystallinity是什么意思?![]() ![]() The melting of polypropylene occurs over a specific range. Isotactic PP has a melting point of 171 C. Commercial isotactic PP has a melting point that ranges from 160 to 166 C, depending on atactic material and crystallinity
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