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- rock impact friction sparks 岩石撞击摩擦火花
- By means of relative motion between movable fixed fluted discs, material is crushed through impact friction of teeth impact among material. 本机组利用活动齿盘和固定齿盘间的相对运动,使物料经齿冲击、摩擦及物料彼此间冲击而获得粉碎。
- Friction causes a rolling ball to stop finally. 摩擦力使滚动的球最终停了下来。
- Constant friction wore out the heels of my shoes. 不断的摩擦磨损了我的鞋跟。
- Friction between two sticks can create a fire. 两个棍棒相互摩擦能起火。
- These bullets fragment on impact. 这些子弹射中物体时爆炸成碎片。
- friction spark 摩擦火花
- Her speech made a tremendous impact on everyone. 她的演说对大家震动很大。
- 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 front of the car crumpled on impact. 汽车的前部被撞扁了。
- Study on ignition temperature characteristic of frictional spark inducing gas 摩擦火花引爆瓦斯时点燃温度特性理论研究
- Matches are lighted by friction. 火柴由摩擦而生火。
- 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。
- It's difficult to assess the impact of the President's speech. 总统讲话的巨大影响很难估计。
- A friction match with a large head capable of burning in a wind. 耐风大头火柴一种能够在风中燃烧的通过磨擦点火的大头火柴
- Experimental study on gas explosion detonated by the rock friction sparks 岩石撞击摩擦火花引爆瓦斯的实验研究
- Friction lowers the efficiency of a machine. 摩擦减低机器的效率。
- The plane flew into a mountain and disintegrated on impact. 飞机冲向一座山，撞得粉碎。
- The impact of the stone against the windowpane shattered the glass. 石头撞击窗户打碎了玻璃。
- The impact of the report is augmented by its timing. 由于发表的时间选得好，这篇报导的影响更大了。
