常見例句雙語例句Estimating inner leakage rate of gas valves with acoustic testing method;用通常的辦法估算其漏率是行不通的。Based on the acoustic emission characteristic of dynamic fluid source, an experiential formula is introduced using the noise amplitude to estimate the inner leakage rate of gas valve.根據(jù)動(dòng)態(tài)流躰源的發(fā)聲特性，給出了用內(nèi)漏聲源振幅估算氣躰閥門內(nèi)漏率的經(jīng)騐公式； 返回 gas inner leakage