基本解釋[經(jīng)濟(jì)學(xué)]防腐蝕閥英漢例句雙語(yǔ)例句Parametersoff corrosion proof three-function valve and its develolpment are introduced in the paper.介紹了防腐三用閥的性能參數(shù)，及其研究過(guò)程。corrosion-proof valve更多例句專業(yè)釋義經(jīng)濟(jì)學(xué)防腐蝕閥