“tension pulley”的概念、定义、翻译、参考文献-科学参考

单词	tension pulley
释义	tension pulley [`ten·chǝn ´pu̇l·ē] ^{MECHANICAL ENGINEERING} A pulley around which an endless rope passes mounted on a trolley or other movable bearing so that the slack of the rope can be readily taken up by the pull of the weights.
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