不要说航空发动机，小日本的不少工程机械都是24小时全球监视的

来源: 匡吉于 2014-03-16 08:54:14 [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.