尤其是轻工业产品，更需要得到顾客的满意，所以被拉下一大截。至于重工业，如钢铁，煤炭等就不那么讲究了。

来源: chufang 于 2026-04-12 11:12:02 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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