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- A New Method of Inspecting the Length of Rock Bolt and the Defect in It Based on Guided Wave Techniques 一种基于导波技术检测锚杆长度及缺陷的新方法
- Length of rock bolt 锚杆长度
- For there creatures to become oil, it was necessary that they should be imprisoned between layers of rock for an enormous length of time. 这些生物要变成石油，必须被密封在岩石之中很长时间。
- Abundant joint data were obtained through field survey.The mean trace length of rock mass joint was estimated by the extended scanline method and circular window method. 通过现场节理调查获得丰富的节理数据，采用扩展的测线法和圆形窗口法分别估计岩体节理的平均迹长。
- The treatment methods such asthe use of rock bolts and shotcrete are summaried. 同时总结了岩爆防治的有关措施。
- This river is ten times the length of that River. 这条河的长度是那条河的十倍。
- This layer of rock contains a lot of flint. 这一岩层中有大量燧石。
- She paced out the length of the room. 她用步子测量了房间的长度。
- The mountain rise up in a steep wall of rock. 这座山高而陡，形成一道岩石屏障。
- He fished a length of string out of his pocket. 他从口袋里掏出一条绳子。
- The mountain rose up in a steep wall of rock. 这座山高而陡，形成一道岩石屏障。
- You spend a ridiculous length of time in the bath. 你洗澡用那麽长时间，真不像话。
- Promotion will go by length of service. 晋升以服务年限为准。
- He measured the length of the room. 他量了房间的长度。
- It is necessary to test the holding state of rock bolts nondestructively for the project. 近些年来,锚杆的锚固质量检测技术得到了快速发展。
- She paced out the length of the garden. 她用步子量出了花园的长度。
- In this program,the smooth surface blasting and inject method of rock bolting network are applied. 先让后抗,抗让结合"为支护原则,以喷锚网支护为基础的不良岩层中大断面巷道掘进的一些技术问题。
- My estimate of the length of the room was 10 feet. 我估计房间的长度为10 英尺。
- She sprinted the length of the road. 她全速跑完了那条路的全长。
- Roof falling of rock bolting supported tunnel is usually paroxysmal in a big area, so safety monitoring is of great importance. 锚杆支护巷道顶板冒落具有突发性和冒落面积大的特点,安全监测非常必要。
