“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	variable-directions method variable displacement variable domain variable endpoint variable-free expression variable frequency AC electrical power generating system variable-frequency Motor variable-gain amplifier variable gene variable-geometry turbine stator Variable Geometry Turbocharge and Exhaust Gas Re-circulation Control variable geometry turbocharger variable gradient method variable-grid method variable index variable inductance variable infrared object variable inlet variable intake and exhaust system variable intake system variable intersection variable-interual schedule variable lane variable length code variable length coding

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