leakage coefficient 泄漏系数 orifice-metering coefficient 流量计系数 penetrating coefficient 穿透系数;漏损系数 ..
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在监测、检定过程中，流量计系数会发生一定变化，只能定性地看流量计系数的变化趋势。
In the process of monitoring and verification, meter coefficient will varies in some degree, we can only analyze the change tendency of flow coefficient qualitatively.
每个弯管流量计的流量系数须经过实际标定。
The discharge coefficient for each elbow flowmeter should be calibrated in practice.
通过实验研究，观察分析了流量测量管路中空间弯头下游有(或无)整流器时对孔板流量计流量系数的影响。
The flow coefficients of the orifice-plate flowmeters are experimentally studied with or without a rectifier at the lower reach of a space elbow in the measuring pipe of flow.
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