Pressure Gauge Valve

Pressure Gauge Valve pressure gauge valve是什么意思 英语翻译gauge valve valve-opening pressure是什么意思 receiver pressure gauge?是指什么压力表 英语翻译Pressure gauge KFM ,RFM manual cock DH pressure gauge co pressure over-center valve是什么阀 a gauge pressure of 0.35 atm,P=? 请问氧清洁压力表oxygen clean pressure gauge什么概念? gauge PROPORTIONAL ELECTRO HYDRAULIO PRESSURE CONTROL VALVE 翻译成中文是 high pressure is asmitted to the underside of disc valve.