不理解，那个回水管循环泵是干嘛用的？美国没见过这玩意。

来源: 二胡一刀于 2024-11-06 07:03:07 [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.