First, the 2 and 5 valve power valve on the difference is only absolute.
首先，2气阀和5气阀动力上的区别只是绝对的。
Nuclear power valve repair, replacement nuclear power plant maintenance in the total cost of about 50%.
核电阀门的维修、更换费用在核电站维修总额中约占50%。
Valve actuation utilizes a mechanical power device, an actuator, to operate a valve.
阀门执行机构是一种采用机械力的设备，一台执行机构操作一个阀门。
In initial state the power from valve is off and the valve is inoperative.
在初始状态，从电源关闭阀门和阀门的操作。
Caution: Before maintenance, shut off the power and close the main valve.
注意：吹灰器维护检修时，一定要先切断电源，检修阀门时应关闭管路总阀。
Caution: Before maintenance, shut off the power and close the main valve.
注意：吹灰器维护检修时，一定要先切断电源，检修阀门时应关闭管路总阀。
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