Always depressurize a regulator before closing the adjusting knob and removing the regulator from the cylinder.
在关闭调整钮和从钢瓶上断开调整,总是使调整压。
Always depressurize a regulator before closing the adjusting knob and removing the regulator from the cylinder.
在关闭调整钮和从钢瓶上断开调整,总是使调整压。
Should a valve need repair, depressurize and drain the system on both sides of the valve.
如果一个阀门需要维修,则在阀门的两侧对系统进行压和排放。
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