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- Existing Problems of Coal Roadway Bolting Technology in Datong Coalmines Group Co. 煤巷锚杆支护技术在同煤集团应用中存在的问题。
- Our products are broadly applied in mining, roadway bolting, road construction and oil drilling fields. 以上产品广泛用于煤矿开采、巷道支护、道路建设及石油钻探等领域。
- Owing to the the fact that the difficult-to-work seams account for over 90% of these worked by hydromines,tbe coal roadway bolting technique has made slow progress. 由于煤层地质构造复杂,煤厚变化大等难采煤层条件在水采矿区占90%25以上,故水采矿井煤巷钻杆支护技术发展缓慢。
- Discussion on small pillar support roadway bolt support 小煤柱护巷锚杆支护探讨
- Applieation of roadway bolt support in Luxi coal mine 煤巷锚杆支护在鲁西煤矿的应用
- Study on Roadway Bolting in Xishan Mine Area of Shanxi Coking Coal Group 西山矿区的煤巷锚杆支护技术
- Application of roadway bolt support technology in near seam high stress area 近煤层、高应力区煤巷锚杆支护技术应用
- Research on the design of actual mining roadway bolt support in Zhengyang mine 正阳矿回采巷道锚杆支护设计的研究
- Research of roadway bolting and grouting in the condition of high stress and soft surrounding rockmass 高应力软岩巷道锚注支护研究
- Modification of combined beam theory and its application in actual mining roadway bolting 锚杆支护组合梁方法的改进及其应用
- A raised roadway, as across water or marshland. 堤道加高的行道,如穿过水洼或沼泽的道路
- Don't stop on the roadway; move in to the side. 别在车行道上停留;到边上来。
- He locked the door and pressed the bolt home. 他锁上房门,并插好插销。
- Design of roadway bolt support in island comprehensive caving working face based on ground stress measarement 基于地应力测试的孤岛综放工作面巷道锚杆支护设计
- The bolt slotted smoothly into place. 插销很容易就插上了。
- Remember to bolt all the doors and windows. 别忘将所有门窗闩住。
- I rammed the bolt back across the door. 我把门拴上。
- We need an eye bolt to fit this valve. 我们需要一个有眼螺栓来固定这个阀门。
- The bolt sheared (off) and the wheel came off. 螺栓折了,轮子脱了出来。
- Don't bolt your food you'll get indigestion! 别这麽狼吞虎咽--你会消化不良的!