但是，如果一台机器处于睡眠状态时电源切断，则它将失去状态。
However, if a machine is in sleep mode and the power is cut off then it loses state.
更换感应器时，必须切断电源应使设备处于断电状态。
When changing the inductor, the power must be cut off making the equipment under the state of power off.
当蝶板运行到与管道轴线相垂直时，阀门即切断介质处于密封状态。
The valve gate will cut off medium and be in the sealed state when the butterfly disc moves to the vertical place with pipe axis.
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