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- Owing to its thick and hard surface of friction, it has the advantage of low wear. 磨擦面较硬且厚,耐磨性好。
- Scientists now believe that some of the force of friction is due to attraction between the molecules of one surface and those of the surface sliding over it. 现在科学家们认为有些摩擦力是由于物体表面的分子和另一物体表面游动的分子之间的吸引力所引起的。
- The gas bubbled to the surface of the water. 气体变成气泡升上水面。
- In the absence of friction belted machinery would not be used. 没有摩擦力，皮带传动的机器就无法使用。
- The surface of the liquid gradually crusted over. 液体表面渐渐地结了一层皮。
- A breeze ruffled the surface of the lake. 一阵微风吹皱了湖面。
- A wave broke across the surface of the pool. 一个波浪从池水表面掠过。
- Acid had pitted the surface of the silver. 酸把银器的表面腐蚀了。
- There is a great deal of friction between the management and the work force. 劳资双方之间存在大量矛盾。
- The surface of the lake is quite still. 湖面相当平静。
- The surface of the water was dimpled by the breeze. 轻风拂动水面，荡起了涟漪。
- One other law of friction should be noted. 摩擦力的另一个定律也应被注意。
- We skated on the glassy surface of the frozen pond. 我们在池塘的光滑的冰上溜冰。
- The surface of the water is full of foam. 水面都是泡沫。
- The compact faction fractured because of friction. 紧密小宗派由于摩擦破裂了。
- The breeze rippled the surface of the lake. 微风吹皱了湖面。
- Soon there were other causes of friction. 但很快出现了其它情况，导致了摩擦。
- The body was visible below the surface of the lake. 尸体在湖水下清晰可见。
- What is the force of friction acting on the crate. 板箱上受到的摩擦力是多少？
- Measurement of Friction Stress on Surface of Rotating Discs 旋转圆盘表面摩擦应力测量
