... 压差式 pg:pressure gradient 压差头 differential head 正压差 positive differential pressure; positive pressure differential ...
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短语
压头差
head difference
;
headdifferential
差异压头
differential head
压差密度计探头
gradiomanometer sonde
;
GMS
头部压差阻力
pressure foredrag
差压接头
differential pressure tap
压头偏差损耗
head misalignment loss
压强水头差降
drop in pressure head