哪怕口罩这样简单的产品，那也是有产业链的，不是像钢铝这种原材料那么简单。

来源: 鬼不灵于 2025-04-03 06:38:35 [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.