ballast的中文翻译
翻译
ballast
字典
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ballast1
UK
/ˈbæləst/
US
/ˈbæləst/
压舱物,压载物
noun-
heavy material placed in a ship or hot-air balloon to make it heavier and keep it steady
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a layer of stones that makes a strong base on which a road, railway/railroad, etc. can be built
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heavy material placed in a ship or hot-air balloon to make it heavier and keep it steady
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ballast2
(maritime)
UK
/ˈbæləst/
US
/ˈbæləst/
压舱物
noun-
Heavy objects or fluid arranged inside a vessel to stabilize it.
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Large cut stones were used in ancient times as ballast.
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Large cut stones were used in ancient times as ballast.
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Heavy objects or fluid arranged inside a vessel to stabilize it.
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