... escape orifice 排泄口 orifice meter 孔板量计,孔板流量计... measuring orifice 测量用孔口,测量孔板...
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... 次极量运动试验 submaximal exercise test 孔极量计 orifice meter 极量第一改正量 first polaris correction ...
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... orifice holder 孔板固定装置 orifice meter coefficient 孔板流量计系数 orifice meter 孔板流量计；细孔流速仪 ...
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integral orifice meter 内装孔板流量计
integrating orifice meter 积分式锐孔流量计
multiple orifice meter 多孔测量计
wide range orifice meter 宽量程孔板流量计
orifice meter coefficient 孔板流量计系数
bellows-type gas or orifice meter 伸缩式气体孔板流量计
multi-tube orifice meter 多管孔板流量计
chart-recording orifice meter 记录式孔板流量计
sharp-edge orifice meter 锐孔流速计 ; 锐孔流量计
N a plate having a central hole that is placed across the flow of a liquid, usually between flanges in a pipeline. The pressure difference generated by the flow velocity through the hole enables the flow quantity to be measured 孔板流量计 [engineering]
The most commonly used method for measurement of gas is the orifice meter.
孔板流量计是测量气体流量最常用的方法。
The on the spot inspection of natural gas orifice meter is adopting the transitivity calibration method taking Venturi nozzle as calibration scale.
天然气孔板流量计的现场检定，采用以文丘里音速喷嘴作为标准表的传递型校准法。
Experimental results indicated that maximum error of slotted orifice is less than 5%. The conclusion is available to the development of slotted orifice meter.
实验结果表明槽式孔板测量误差小于5%，研究结果对槽式孔板流量计的开发具有一定借鉴意义。
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