英语词汇“protective gas”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	protective gas
释义	protective gas 基本例句保护气体 The PQR shall include the composition and flow rate of the shielding and inert gas backing, when used.焊接工艺评定记录单上应包括封底焊时所用的惰性保护气体组成成分和流率。
随便看	packaging hardware packaging hue Packaging Import and Export Corporation packaging in containers packaging industry packaging industry in henan province packaging in film packaging in filmfoil packaging in foils packaging in packaging packaging in packagingpacking packaging insert packaging inserts packaging insert system of partitions packaging intensity packaging in tubes packaging in tubular film packaging in vivo packaging label packaging legislation packaging level packaging level-of-integration packaging materials packaging material, shock-absorbing packaging technique