steam orifice passing velocity 蒸汽穿孔速度
orifice steam trap 迷宫或孔板式蒸汽疏水阀
orifice plate steam 孔板式冷凝水排除器
steam-flow orifice 蒸汽流量孔板
orifice plate steam trap 孔板式疏水阀
orifice plate steam cleaning device 平孔板式清洗装置
Steam flow measurement is achieved by the use of a calibrated orifice plate and differential pressure transducer.
蒸汽流量的测量是通过用一个可测量孔口直径的压力传感器来实现的。
Because of the dual-orifice design, there is a preset controlled pressure differential for the secondary steam system, while maximum pressure differential is available to discharge the condensate.
由于采用了双阀孔结构设计，在最大压差下排放凝结水的同时，还有一个为二次蒸汽系统设计的预设压差系统在工作。
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