2, 1 是锁在一档和二档，一般是上或者下陡坡用了。老放在2当速度高了费发动机，也费油了。

来源: soccer88 于 2015-01-21 19:21:11 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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