source of constant pressure
source of constant pressure
恒压源
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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Permeability is measured by constant pressure air source blowing, core of the detector is micro differential pressure sensor.
透气性测定通过恒压气源吹气测压法实现，透气性探头的核心部件是微压差传感器。
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