性能上应该是铸铁保证不变形，钢保证耐磨和减震。看样子还是要上OEM的。

来源: 成功的熊于 2019-11-06 10:29:25 [旧帖] [给我悄悄话] 本文已被阅读：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.