至少履带式结构的，如坦克之类的，不会陷入海滩沙地吧。

来源: 00zz7788 于 2010-10-22 11:03:38 [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.