声纳，潜艇都属于造船。

来源: gweipwu 于 2017-12-21 13:25:47 [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