single-acting的意思|示意

This engine resembled present single - acting gas and oil engines.

这台发动机类似目前的单作用煤气和重油发动机.

辞典例句

It connects to pressure - operated servo systems and single - acting power cylinders.

它连接到的压力,经营的伺服系统和单代理权气瓶.

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Single acting by duty spring return.

单作用,重型弹簧回缩.

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