差动压力 meaning in Chinese

differential pressure

Industrial pipework . orifice flanges for differential pressure devices
工业管道.差动压力装置的有孔法兰盘
Specification for transducers , pressure and differential pressure , electrical and fiber optic
压力和差动压力电及光纤换能器规范
Standard specification for transducers , pressure and differential , pressure , electrical and fiber - optic
压力和差动压力电及光纤换能器标准规范