“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	subdominant subducting plate,descending plate,underthrusting plate subduction and subduction zone subduction boundaries Subduction Factory subduction factory subduction roll-back subduction zone consuming boundary zone subdued light subduplicate subdural abscess subdwarf subdwarf B star subdwarf O star subdwarf sequence subdynamics Subei coastal current Subei donkey Subei grassland Subei Mongol Zizhixian subelectron subelliptic subelliptic equation subelliptic estimate subellipticity

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