... 作用力和反作用力:action and reaction 作用控制阀:application control valve 作用距离:operating range ...
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弹簧受压差的作用自动控制阀胆上过流面积的大小,从而使通过阀门的流量恒定。
The role of compression springs bad gall on automatic control valve flow area of the size, so that a constant flow through the valve.
曲柄轴箱通风阀和配有废气帽的空气污染控制阀(的使用)对减少挥发性有机混合物释放有积极作用。
The positive crankcase ventilation valve and gas caps with air-pollution control valves reduce volatile organic compound loss.
对于所有元件(流量元件或控制阀除外),列出了元件预计起作用范围内的实际最小、正常和最大压力与温度?
For all elements other than flow elements or control valves, the true minimum, normal and maximum pressure and temperature ranges over which the element is expected to be effective are shown.
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