permanent ballast

中文翻译永外压载

同义词释义

1)permanent ballast,永外压载

2)permanent ballast,永久压载

3)permanent ballast tank,永久性压载舱

4)external load due to salt formation,岩压外载

5)additional ballast water,额外压载水

6)external water pressure,外水压力荷载

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