“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	perturbational method perturbation amplitude perturbation analysis perturbation analysis method perturbation approximation perturbation, disturbance perturbation equation perturbation expanded form of statistical operator perturbation expansion perturbation function perturbation growth perturbation guidance perturbation mapping perturbation matrix element perturbation method perturbation of a linear system perturbation of an operator perturbation of a semigroup perturbation of a spectrum perturbation of dark matter perturbation of entropy perturbation of operator perturbation parameter perturbation power spectrum perturbation sampling

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