发布时间:2025-01-23 17:37:40
AS和SAN是同一种材料。ASA是丙烯酸酯类橡胶体与丙烯腈、苯乙烯的接枝 共聚物。基本性能和ABS差不多,但是耐候抗紫外线方面非常优异。
价格方面ASA要比AS高出一大截
我和好朋友的老婆发生了关系他老公来我家闹说要5万元还捅了我一刀你们说怎么办
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