基本解釋[機械工程]上密封試驗上彌縫實驗英漢例句雙語例句The impact method adopts the flange two ends seal, contracting & pressing clamp valve flange back working test.壓緊方法采用法蘭端面密封，抱壓爪夾緊閥門法蘭背面進行工作試驗。back seal test更多例句詞組短語短語seal oil back up test 密封裝置反饋試驗back seal test更多詞組專業(yè)釋義機械工程上密封試驗上彌縫實驗