您要查找的是不是：
- 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 angle of friction and the angle of repose 二、摩擦角与自锁
- She hit her knee against the angle of the bed. 她的膝盖撞到床角上了。
- intrinsic internal angle of friction 固有内摩擦角
- 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。
- One other law of friction should be noted. 摩擦力的另一个定律也应被注意。
- The earth's axis is titled at an angle of about 231. 地轴倾斜成约二百三十一度角。
- The compact faction fractured because of friction. 紧密小宗派由于摩擦破裂了。
- Soon there were other causes of friction. 但很快出现了其它情况，导致了摩擦。
- What is the force of friction acting on the crate. 板箱上受到的摩擦力是多少？
- The compact faction fractured because of friction . 紧密小宗派由于摩擦破裂了.
- The angles of a triangle total 180. 三角形的三角之和等于180°。
- Skilfully use the angle of friction and solve the friction equilibrium question 巧用摩擦角解摩擦平衡题
- The two roads lie at an angle of about45 degrees. 这两条路交叉成45度角。
- 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 angle of projection affects the answer. 抛射角对结果有影响。
- The force of friction affects the speed at which spacecraft can re-enter the earth's atmosphere. 摩擦力能影响航天器返回地球大气层的速度。
- The two roads lie at an angle of about 45 degrees. 这两条路交叉成45度角。
- The angle ??is the angle of departure. ?蛭0发射角。
- An angle of 90°is called a right angle. 九十度角称为直角。
