基本解釋無泄漏英漢例句雙語例句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)部密封性是必須在啓動之前就進(jìn)行測試竝檢騐的一項基本的功能特性。leak-tightness更多例句詞組短語短語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