英语词汇“preparatory signal”的中英文释义、用法、翻译及短语词组-英汉翻译词典-东流网

单词	preparatory signal
释义	preparatory signal 英?[pr??p?r??t?:ri: ?siɡn?l] 美?[pr??p?r??t?ri ?s?ɡn?l] 释义预备信号行业词典体育预备信号???
随便看	ion boriding ion burn ion burning ion burns Ion Cannon ion capture ion-capture theory ion capture theory ion carbonitriding ion carburizing ion carburizing vacuum furnace ion carrier ion carrier comples ion-carrying ionophore ion catalyst ion-catalyzed poly merization ion catalyzed polymerization ionchamber ion chamber ion-chamber detector ion chamber detector ion chamber device ion chamber room ion chamber thimble ion-chamber thimble

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preparatory signal