主要是各種船舶，海上平台，盾構機，各種超大設備，重型機械，石油化工大型設備，造橋修路的大型設備，重型機床等

來源: 老生常談12 於 2024-01-15 16:19:56 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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