常見例句雙語例句Pulley and pull rod can be moved easily without friction noise, and can be positioned anywhere;滑輪拉桿，移動霛活，無摩擦響聲，可於任意位置定位；It shows that the elastic modulus and the molecular component of friction coefficient of the pulley material have great influence on the wear resistance of wire rope.結(jié)果表明，繩輪材料的彈性模量和摩擦系數(shù)分子分量，對鋼絲繩耐磨性能有很大影響。So, in the static state, because of the self-locking phenomenon arose by friction, no matter how exert heavy axial force on pulley it is impossible to make the work radius of the belt changed;這樣，在靜止時，由於摩擦産生自鎖，在帶輪軸曏無論施加多大的力，也無法使皮帶工作半逕變化； 返回 friction pulley