《工程机械英文技术词汇》检索：differenti... ... differential operation；差速器工作 differential orifice；差速器小[量]孔 differential output gear；差速器输出齿轮 ...
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Because of the dual-orifice design, there is a preset controlled pressure differential for the secondary steam system, while maximum pressure differential is available to discharge the condensate.
由于采用了双阀孔结构设计，在最大压差下排放凝结水的同时，还有一个为二次蒸汽系统设计的预设压差系统在工作。
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。
In these cases orifice plates or other differential pressure producing elements with differential pressure transmitters shall be considered.
在这种情况下，应使用流量孔板或配有差压变送器的其它差压元件。
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