记得不是圆截面, 好像是为了配合节流阀的边缘密封

来源: 5W40 于 2014-07-27 22:06:08 [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