是一回事。车用多是orifice，但也用膨胀阀的，原理是一样的。

来源: 史迷于 2011-11-07 09:38:52 [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.