“power-driven system”的概念、定义、翻译、参考文献-科学参考

单词	power-driven system
释义	power-driven system Encyclopedia 工学钻井装备释 power-driven system钻机动力驱动系统为钻机起升、旋转和循环提供动力的配套设备组合。
随便看	upright of jacket upright position upright projection upright pyramid of biomass Uprising of Abdullah Hassan Uprising of Chen Sheng and Wu Guang Uprising of Lake Beloye Uprising of Sicilian Slaves uprisings of China Merchants' 13 ships Uproar in Heaven U-process U-process resistivity UPRONA UPS upsampling UPSC upscaling of fluid flow in porous media upscattering up-selling upsetting upshift upshot upside upside-down Upsilon particle

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