扭矩,弯拒,剪力再加冲击力联合作用.你当是弯铅呢...回复：不错，硬度越低越不断！

来源: fixanycars 于 2009-08-19 19:28:39 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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