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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。
- 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
- Ignition Capability of Friction Sparks and Hot Surface for Fire Risk 火灾中摩擦火花和热表面引燃能力的研究(英文)
- Scientists conducted a research on impact stress in rocks impacted by water jets. 科学家们研究了向岩石喷射水时岩石产生的冲击应力。
- Sparks flew out as the sledge hammer hit the rock. 锤子打在岩石上，迸发了好些火星儿。
- Sparks flew up when the hammer struck the rock. 铁锤打在石头上，迸出不少火星。
- By means of thermal infrared (TIR) imaging detecting on rock impacted by free-falling steel ball, the rock target's TIR temperature of five typical crust rocks was detected. 摘要采用热红外(TIR)成像技术和落球撞击实验，对大理岩、花岗闪长岩、红色斑状花岗岩、辉长岩和砂岩等5类典型地壳岩石试件进行了热红外辐射观测。
- The rock was honeycombed with passages. 岩石上有许多蜂窝状的小孔。
- Many young rock hounds grow up to be geologists. 许许多多爱好收集岩石的少年，长大后成了地质学家。
- The climber had to negotiate a steep rock face. 那攀登者得攀越一陡峭岩石。
- These bullets fragment on impact. 这些子弹射中物体时爆炸成碎片。
- This layer of rock contains a lot of flint. 这一岩层中有大量燧石。
- Her speech made a tremendous impact on everyone. 她的演说对大家震动很大。
- The water had worn a channel in the rock. 水把岩石冲出了一条沟。
- He dash the glass bowl to bit on a rock. 他对著石块把玻璃碗砸得粉碎。
- The mountain rise up in a steep wall of rock. 这座山高而陡，形成一道岩石屏障。
- The mountain rose up in a steep wall of rock. 这座山高而陡，形成一道岩石屏障。
- The front of the car crumpled on impact. 汽车的前部被撞扁了。
- He chiseled that rock into the figure of a woman. 他把那块石头凿成一个女人像。
