bellows differential gauge

gauge-英汉词典... ... bearing gauge 同心度量规 bellows differential gauge 波纹管差动压力计 bellows gauge {n.}膜盒压力计 ...

阀门... ... bar gauge 棒量规 bellows differential gauge 波纹管差压计 bellows type pressure gauge 膜盒压力计；波纹管压力计 ...