最可能坏的有两东西，电刷和整流二极管。

来源: 花椒于 2011-06-09 15:59:19 [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.