英语词汇“idle pulley”是什么意思，“idle pulley”的读音、用法及例句翻译-烛光网

词汇	idle pulley
释义	idle pulley 也作 idler pulleyn.（名词） A pulley on a shaft that rests on or presses against a drive belt to guide it or take up slack. Also called idle wheel 空转轮，导轮：机轴中紧挨传送带或传送带上的轮子，用来给传送带定向或在其松弛时勒紧传送带也作 idle wheel
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