5%这已是非常高的了，一般只对成品。而半成品，原料会更低

来源: richman 于 2009-07-22 20:34:38 [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.