都有添加剂在内。添加剂的作用有点类似DMSO加在水中,破坏水的结晶结构,塑料胶化也有点类似结晶吧。。。
都有添加剂在内。添加剂的作用有点类似DMSO加在水中,破坏水的结晶结构,塑料胶化也有点类似结晶吧。。。
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