... orifice-metering coefficient 孔口流量系数 coefficient for orifice 孔口系数 discharge coefficient for orifice 节流孔流量系数 ...
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discharge coefficient for orifice 节流孔流量系数
coefficient of contraction for orifice 节流孔收缩系数
orifice coefficient for leakage [流] 逸流系数
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