正常力距是多少？螺帽是21mm吗？

来源: chinomango 于 2009-12-20 17:46:10 [博客] [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.

Change Ad Consent