To aid detection of bleed valve movement in noisy environments a headset has been provided.
为了保证强噪音环境下测试的准确度，系统还带有一只耳机。
When oil begins to flow from end of hose, close bleed valve, remove hose, then tighten bleed valve.
当石油开始流从年底，胶管，关闭排气阀，删除胶管，然后收紧流血阀。
BLEED valve, a valve in the pneumatic system for air supply from the engine or auxiliary power unit to the pneumatic manifold.
引气活门，气源系统内，使来自发动机或辅助动力装置的空气进人气源支管的活门。
Some improvements were presented by analyzing and demonstrating for the structural design deficiency of the bleed valve of a heavy duty gas turbine bleed system.
针对某重型燃气轮机放气系统放气活门在结构设计上存在的问题，经过分析和论证，提出了改进方案，通过计算验证了该方案可以实施。
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。
Relay valves convert a sustained air flow from a three-way pilot valve into a momentary pulse or bleed, which shifts a control valve and then closes.
延迟阀可调节从三通控制阀到瞬间脉冲或放气阀的空气流量，放气阀或瞬间脉冲改变控制阀，然后关闭。
Open needle valve "b" to bleed air and then close "b" and vent needle valve.
开启针形阀“B”排放空气，然后关闭“B”和排气针形阀。
At the end of the shift or work day, close the cylinder valve and bleed the pressure off the regulator and torch equipment.
在下班或工作日结束的时候，关闭钢瓶阀门，放出调整器和吹管设备内的压力。
Pressure regulating AND SHUTOFF valve PRSOV, a valve in the pneumatic system for regulating bleed air pressure from the engine to the pneumatic manifold.
压力调节和关断活门，气源系统中用以调节从发动机到气源总管的引气压力的活门。
Pressure regulating AND SHUTOFF valve PRSOV, a valve in the pneumatic system for regulating bleed air pressure from the engine to the pneumatic manifold.
压力调节和关断活门，气源系统中用以调节从发动机到气源总管的引气压力的活门。
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