英语词汇bull wheel derrick是什么意思，bull wheel derrick的用法、释义、翻译、读音、例句、短语词组-英汉汉英翻译词典

单词	bull wheel derrick
释义	bull wheel derrick　大转盘桅杆起重机, 大转盘动臂起重机
随便看	skilled skilled skilled skilled artisan skilled calligrapher skilled hand skilled hands quality paper quality part quality payment quality performance quality performance quality product quality product list quality production quality production quality products quality products quality products quality program requirements quality protection quality rating quality ratio quality reliability assurance quality requirement

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