Be sure to close the valve before sleeping.
在入睡之前，要确认气体阀门一定关闭。
Air solenoid valves are used to open and close the valve.
采用航空电磁阀控制阀门开闭。
Slowly close the valve, reduce the intensity of shock wave.
缓慢关闭阀门，削减冲击波的强度。
Forbidden suddenly close the valve, in case the tempering explosion.
严禁突然关闭阀门，以防回火爆炸。
Close the inlet block valve on the coolest product stream.
关闭温度较低的产品流上的入口隔断阀。
Close the inlet block valve on the hottest stream.
关闭温度较高的产品流上的入口隔断阀。
关闭钢瓶阀门。
Close the purge valve and the zone valve.
关闭排气阀和区域阀门。
Open the upper sea inlet valve and close the lower one.
打开高位海底阀，关闭低位海底阀。
Always close the cylinder valve when product delivery is not needed.
当不需要产品输出时，总是关闭钢瓶阀门。
关闭控制活门(23)。
In this system, I often close the needle valve, needle valve is always open.
在该系统中，针形阀i常闭，针形阀常开。
Close the cold water inlet valve and open a nearby hot water faucet.
关闭冷水进水阀，打开附近的热水水龙头。
Close the steam valve of the fuel oil heater.
关闭燃油加热器的蒸汽阀。
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。
Release the wire allowing the valve to close, trapping the sample inside.
释放钢丝使阀门关闭，里面的样本被保存。
Release the wire allowing the valve to close, trapping the sample inside.
释放钢丝使阀门关闭，里面的样本被保存。
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