• A check valve is a mechanical valve that only permits water flow in one direction.

    检查(单向阀)一个手动阀门这样只能方向走

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  • Pumps work, should pay attention to check the pressure, temperature and mechanical seals work.

    工作时,注意检查压力温度机械轴封的工作。

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  • Need mechanical movement to cover the eyes and remove goggles to check the accomplishment.

    需要机械动作遮蔽眼睛移开护目镜检查完成情况

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  • Need mechanical movement to cover the eyes and remove goggles to check the accomplishment.

    需要机械动作遮蔽眼睛移开护目镜检查完成情况

    youdao

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