英语词汇“vacancy mechanism”的读音、翻译、释义、用法及例句-开邑网

词汇	vacancy mechanism
释义	vacancy mechanismvacancy mechanism1.■空位机理
随便看	relief pressure valve cartridge relief printing relief printing machine relief printing plate relief ratio relief relay relief representation relief road relief roadway relief sewer relief shift relief siphon relief spring relief sprue relief survey relief tax relief telescope relief television relief tower relief track relief train relief treatment of stress relief troop relief tube relief valve

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