“crossover subs”的概念、定义、翻译、参考文献-科学参考

单词	crossover subs
释义	crossover subs Encyclopedia 工学接头释 crossover subs接头用以连接不同尺寸、不同螺纹类型钻杆的连接部件。又称转换接头、配合接头。
随便看	Xiamen University Xiamen University Libraries Xiamen Vernacular Word Xiamen Wan Xiamen Wuyuanwan Wetland Park Xiamen Zhongshan Park Xia Mianzun Xia Mutian Xi'an Xi'an Academy of Fine Arts Xi'an Aeronautical Polytechnic Institute Xi'an Aeronautical University Xi'an Agarwood Pavilion Xia Nai Xianan cattl Xianan Qu Xian Bei Xianbei gold and silver wares Xianbei Shan Xianbei(Sienpi) language Xian Bell and Drum Tower Square, China Xi'an Big Wild Goose Pagoda Xi'an Botanical Garden Xi'an ChanBa National Wetland Park Xi'an Chenghuang Temple Drum Music Ensemble

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