卸这种bolt, 只用combo-wrench 的closed-end卸。 很方便的。

来源: 2015-02-01 10:18:12 [旧帖] [给我悄悄话] 本文已被阅读:

Using a ratchet is not preferred, and plus using a deep-well socket is even worse. That is why you are having trouble to attack the job. I like reading your posts here anyways.