Turn off burner valve, then open valve.
先关闭烧嘴阀门，再及时拉开放散阀。
Open valve a to vent air from the vent hose.
开启阀门A从排气软管处排出空气。
The factors stated are based upon a fully open valve.
这里所述的流量系数是指阀门全开时的流量系数。
Keep return piping valve closed until trap fills with condensate. Slowly open valve.
保持回路管道阀门处于关闭状态直到疏水阀充满冷凝物为止。慢慢开启阀门。
In an open valve, fluid flows in a direction from higher pressure to lower pressure.
在打开的排气阀，流体流动的方向，从更高的压力，降低压力。
Open valve fully to its memory setting and, on a piece of paper, record the valve setting.
将阀门完全开启到它的记忆设置点上，在一张纸上，记录这个阀门设置。
Operation process as the medium pressure is help to open valve, so reduce operating torque.
操作过程由于介质压力是有助于阀门开启的，所以减小了操作力矩。
Just open a hot water valve in a sink or shower and let the system drain.
我们只要打开浴缸或淋浴喷头的热水出水阀，把热水器的水放掉就行了。
Then, whenever you open a hot water valve in your house, such as a sink or shower, then it will gravity feed.
这样，只要我们在任何时候打开房间内浴缸或的淋浴喷头的热水出水阀，热水器的水箱就能在地球引力的作用下自动添水。
The valve is actually still open.
阀门事实上还开着。
Open the valve one complete turn.
将阀门打开一个整圈。
打开区域阀门。
Open vent needle valve and bleed air from hose. Then close vent valve.
开启排气针形阀，并从软管排放空气。然后关闭排气阀。
Gradually open the inlet block valve on the coolest product stream.
逐渐打开温度较低的产品流上的入口隔断阀。
Gradually open the outlet block valve on the coolest product stream.
逐渐打开温度较低的产品流上的出口隔断阀。
Open vent needle valve fully until dripping from vent connection stops.
完全开启排气针形阀直到从排气连接处的滴漏停止为止。
Gradually open the inlet block valve on the hottest stream.
逐渐打开温度较高的产品流上的入口隔断阀。
Gradually open the outlet block valve on the hottest stream.
慢慢打开温度较高的产品流上的出口隔断阀。
Open the valve fully to its memory setting and, on a piece of paper, record the valve setting.
将阀门完全开启到它的记忆设置上，在一张纸上，记录阀门设置。
This manually forces the valve to a wide open position for maximum flow.
这就人工强迫阀门开得更大以实现流量最大。
开压井管线阀。
Six, open the two outdoor brass valve, plug in the plug, open the cooling mode.
打开室外机两个铜管阀，插上电源插头，打开制冷模式。
打开补给水阀门。
Lock the exhaust valve in its open position.
把排气阀固定在它开启的位置。
After turning off the gas or electricity open the drain valve at the tank bottom.
在关闭燃气或电源后可开启罐底的排水阀。
When the valve is open, it is like a straight piece of pipe in the line.
当阀门处于开启状态时，整个阀门就像管线上的一段管道一样。
Open all the valve of inlet pump.
将给水泵进出口的阀门全部开启。
Press the "Start" button, the pump running, then open the suction valve of the pump.
按下水泵“开”按钮，泵即运转；然后打开泵的吸入阀。
It is not necessary to open this valve to the full open position to provide full flow to the process.
必须把阀门开到完全开启的位置，以提供完全的流通。
It is not necessary to open this valve to the full open position to provide full flow to the process.
必须把阀门开到完全开启的位置，以提供完全的流通。
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