friction pulley
短语词组
- friction n pulley cloth 澁帶呢
- friction n pulley 摩擦輪
- friction mandrel pulley 摩擦輪
- friction pulley friction wheel 摩擦輪
- diameter of friction pulley 摩擦輪直逕
- minor friction pulley 小擦輪
- major cycle friction pulley 大擦輪
- major friction pulley 大擦輪 返回 friction pulley