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ballast是什么意思

  • 时间:2020-08-21
  • 121人已阅读

ballast是什么意思

ballast是什么意思

压载物的拼音:Yā zǎi wù

ballast的释义

名词:压载,道砟

压载:ballast

道砟:ballast

ballast的第1种词性

ballast的相关和用例

动词

give stability to (a ship) by putting a heavy substance in its bilge.
the vessel has been ballasted to give the necessary floating stability

form (the bed of a railroad line or road) with gravel or coarse stone.

ballast

名词

heavy material such as gravel sand iron or lead placed low in a vessel to improve its stability.

gravel or coarse stone used to form the bed of a railroad track or road.

a passive component used in an electric circuit to moderate changes in current.

ballast

the film is an entertaining comedy with some serious ideas thrown in for ballast


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