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单词 pneumatic piston
例句
原声例句
透视百科影视类

The door was then attached to a cable from the outside that was powered by a pneumatic piston.

然后将门从外部连接到由气动活塞提供动力的电缆上。

经济学人 Science and technology

Once the fuel has been injected into the cavity inside this cylinder, pneumatic pistons will push the metal inward (see panel 2), collapsing the cavity into a small sphere.

一旦将燃料注入该气缸内的空腔中,气动活塞就会将金属向内推(参见面板 2),将空腔收缩成一个小球体。

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