idle pulley

英 [ˈaɪdl ˈpʊli] 美 [ˈaɪdl ˈpʊli]

网络  惰轮; 滑轮; 空转轮

化学



英英释义

noun

  1. a pulley on a shaft that presses against a guide belt to guide or tighten it

      Synonym:    idler pulleyidle wheel