英语词汇“technological upgrading”的翻译、意思、用法、释义-英汉双解词典-注文网

单词	technological upgrading
释义	technological upgrading [网络] 技术改造；技术更新；技术升级
随便看	shaft seal(ed)pump shaft seal extraction fan shaft seal housing shaft sealing shaft sealing collar shaft seal leakage heater shaft seal leakage steam piping shaft seal pump shaft seal steam supply system shaft section shaft section area shaft service compartment shaft service department shaft shoulder shaft-shoulder shaft siding shaft signaling shaft signalling shaft sinking shaft sinking and drifting shaft sinking back hoe loader shaft-sinking drill shaft sinking drill shaft sinking grab shaft sinking jumbo 131134531 131134534 131134541 131134544 131134551 131134554 1311534 131153411 131153414 1311534*24 治癒治績治者治部煮治験沼沼沼地沼沢沽券