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- THE DOPPLER EFFECTS OF AE WAVEFORM IN ROCK FRICTION 岩石摩擦滑动中声发射的多普勒效应
- Methane Trial Study on Ignition and Blasting Due to Rock Friction 岩石摩擦引燃引爆瓦斯实验研究
- 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
- Discrete element method is used to analyze the roof stability in accordance with the variation of its loading, rock frictional angle, bolt spacing, rock properties and bolt orientation. 采用离散单元法,分析了当荷载、岩体的摩擦角、锚杆间距、锚杆方向和岩体的性质变化时,顶板的稳定性。
- The rock was honeycombed with passages. 岩石上有许多蜂窝状的小孔。
- Friction causes a rolling ball to stop finally. 摩擦力使滚动的球最终停了下来。
- 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。
- 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。
- The climber had to negotiate a steep rock face. 那攀登者得攀越一陡峭岩石。
- This layer of rock contains a lot of flint. 这一岩层中有大量燧石。
- 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。
- 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 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。
- He chiseled that rock into the figure of a woman. 他把那块石头凿成一个女人像。
- The boat was sundered by the rock. 船被岩石撞碎了。
- Deep grooves channelled the soft rock. 在软岩石上形成许多深槽。
- The mason was chipping away at the rock with a hammer. 石匠用锤子一点一点地把那块石头击碎。
