“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	Hydrangea flowers hydrantfire fighting systems hydrant system hydrargyrum chloratum compositum Hydrargyrum Medium arc-length Iodide lamp Hydra Ridge hydrase hydratable hydratase hydrate hydrated crystal hydrated electron hydrated electrons hydrated ion hydrated salt hydrated salt heat storage hydrated silicon dioxide hydrate formation model hydrate geophysical prospecting techniques hydrate identification mark hydrate inhibitor hydrate isomerism hydrate resource exploitation hydrate saturation hydrate water

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