基本解釋無泄漏英漢例句雙語(yǔ)例句A valve should not leak, moreover internal tightness is an essential functionality that must be tested and verified before start-up.閥門不應(yīng)該泄漏,而且內(nèi)部密封性是必須在啟動(dòng)之前就進(jìn)行測(cè)試并檢驗(yàn)的一項(xiàng)基本的功能特性。leak-tightness更多例句詞組短語(yǔ)短語(yǔ)internal leak -tightness 內(nèi)部密封性external leak -tightness 外部密封性radiation leak -tightness 防止輻射能漏出設(shè)備leak-tightness更多詞組專業(yè)釋義機(jī)械工程無泄漏