成本太高，沒馬劃算是肯定的。12米寬不能算小，但過船閘可能不方便或船閘太小而造成隻能用馬船。這隻是我的猜測。

來源: 老林子裏的夏天於 2023-05-19 16:28:41 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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