英语词汇“portable derrick”的意思、用法、释义、翻译、读音、例句、短语、词组-英汉翻译词典

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单词	portable derrick
释义	portable derrick 活动井架
随便看	administration by gavage administration center Administration-Chemotherapy administration command administration committee administration communication distribution center administration concerned administration console administration control administration cost administration cost center administration cost centre administration cost during construction administration costs Administration Council of the Central People's Government Administration,Cutaneous Administration,Cutaneous Drug administration data network administration de bonis non administration decision administration department Administration,Dermal Administration,Dermal Drug administration device administration dialog box