They could power electrically driven wheels, letting an aircraft taxi without using its main engines.
它们可以给电力驱动的起落架轮子动力，让飞机不用主引擎就能在地面滑行。
All coal was moved from the work face by electrically-driven conveyors.
所有的煤都用电动传送带从工作面运出来。
All coal was moved from the work face by electrically-driven conveyors.
所有的煤都用电动传送带从工作面运出来。
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