4和8 在里面，工作条件更恶劣，坏的可能性更大一些。火花塞估计不是主要矛盾，coilpack 才是

来源: bushihandyman 于 2023-08-06 09:27:50 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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