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- Keywords bolt support;surrounding rock loose circle;dyn amic pressure;coal roadway;roof;actual mining roadway;reliability; 锚杆支护;围岩松动圈;动压;煤巷;顶板;回采巷道;稳定性;
- loosing circle of surrounding rock 围岩松动圈
- To revise bolt support parameter using loosing circle theory 应用松动圈理论修正锚杆支护参数
- loose circle theory of surrounding rock 围岩松动圈理论
- She only unbends in the family circle. 她只在家庭环境里才不拘束。
- rock loosing - circle 围岩松动圈
- B. Loo B. Read and circle the correct picture. 读一读,圈出正确的图片。
- Men were loosing off at shadows. 士兵向黑影射击。
- The children formed a circle round her. 孩子们在她周围围成了一个圈。
- The rock was honeycombed with passages. 岩石上有许多蜂窝状的小孔。
- We've booked seats in the circle. 我们预订了楼厅包厢的座位。
- Hikers loosing their packs at camp. 远足者们在营地解下背包
- 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。
- He has a large circle of friends. 他有一大群朋友。
- The climber had to negotiate a steep rock face. 那攀登者得攀越一陡峭岩石。
- She moves in a very small circle. 她的活动圈子很小。
- This layer of rock contains a lot of flint. 这一岩层中有大量燧石。
- He has a wide circle of acquaintances. 他交游甚广。
- 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。