orifice coefficient [机] 孔口系数 ; 锐孔系数 ; 流量系数

coefficient of orifice 孔板系数

coefficient for orifice 孔口系数

orifice-metering coefficient 孔口流量系数 ; 流量计系数

orifice meter coefficient 孔板流量计系数

coefficient of pipe-line orifice 管路的孔口系数

nozzle orifice coefficient 喷嘴流量系数

coefficient of contraction for orifice 节流孔收缩系数

orifice coefficient for leakage [流] 逸流系数

discharge coefficient for orifice 节流孔流量系数