The pulley is a wheel that carries a flexible rope, cord, cable, chain, or belt on its rim that's used to transmit energy and motion.
滑轮是一种轮子,它的轮缘有一根灵活的绳子、绳索、缆绳、链条或皮带,用来传递能量和运动。
单词 | cable chain |
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原声例句
大英百科全书 The pulley is a wheel that carries a flexible rope, cord, cable, chain, or belt on its rim that's used to transmit energy and motion. 滑轮是一种轮子,它的轮缘有一根灵活的绳子、绳索、缆绳、链条或皮带,用来传递能量和运动。 |
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