其實很寬, 比如汽車部件, 管道, 建築, 容器,一些軍品等

來源: 米飯加香腸於 2009-02-08 06:49:19 [舊帖] [給我悄悄話] 本文已被閱讀：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.