基本解釋[交通運(yùn)輸工程]膜片閥彈簧座英漢例句雙語(yǔ)例句Mainly by the pilot valve seat, valve, diaphragm, spring, adjusting springs and other parts.導(dǎo)閥主要由閥座、閥瓣、膜片、彈簧、調(diào)節(jié)彈簧等零件組成。diaphragm valve spring seat更多例句專業(yè)釋義交通運(yùn)輸工程膜片閥彈簧座