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A rotary engine attached to the steam engine enabled shafts to be turned and machines to be driven, resulting in mills using steam power to spin and weave cotton.
连接在蒸汽机上的旋转式发动机使轴承转动，机器得以驱动，从而使得利用蒸汽动力纺线和织布的工厂出现。
If progress in using atomic power to drive machines is fast enough, it is possible that oil-driven engines may give place to the new kind of engine.
如果利用原子能来开动机器方面的工作进展迅速，那么以油为动力的发电机可能让位于新型发动机。
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