把船閘裏的萬噸輪浮高得要泵多少水進去？

來源: MoonRiverMe 於 2025-02-12 13:40:19 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

閘門得要????受多大的壓力？

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