活动件 [huó dòng jiàn]
双语例句原声例句
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当你决定使用它，你可以换出当前活动件，在商店举行的一块。
When you decide to use it, you can swap out the current active piece, for the piece held in the store.
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因水阻力较难准确求得，可利用实验确定活动件(枪机)运动总阻力。
The total kinetic resistance of a moving part (a firearm bolt) was acquired by experiment because water resistance was difficult to be got accurately.
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这款管式输送机无活动件，只有倒转马达。简单的设计使其非常安全，方便用户。
Gough tubular conveyors have no moving parts... only contra-rotating motors. The simple design makes this unit environmentally safe and user friendly.
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But now we have lots of activity in the community which is a good thing.
但是现在，社区里有很多活动了，这是件好事。
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