... meter; oil pressure 滑油压力表 metering orifice 计量孔 metering valve 节（流;油;压;气）阀方法 ...
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standard metering orifice 标准流量计锐孔
variable metering orifice 可变计量孔
main metering orifice 主计量孔口
metering orifice tester 测量孔检验器
VMO Variable Metering Orifice 可调计量孔
variable metering orifice sleeve 变油孔衬筒
orifice-metering coefficient 孔口流量系数 ; 流量计系数
orifice metering 孔板流量测定法
The metering of natural gas still presently depends on orifice flowmeter, one of differential pressure flowmeters.
天然气计量现在仍以差压式流量计中的孔板流量计为主。
Flow is measured via an orifice plate metering run with a differential pressure transmitter providing feedback to the control loop.
这需要比例调节阀和流量测量形成的回路控制。
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