它机器上端的出口就是6 寸的圆孔，不是这个专业的，不懂。谢谢解惑。

来源: 老车于 2026-04-22 06:12:42 [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.