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- deep well coal roadway 深井煤巷
- The deep well coal road cable of small diameter hole and high pre-tension structure and craft were studied according to the condition of high stress and composite roof in Fengcheng coal field. 结合丰城矿区高地应力、合顶板等复杂地质条件,研究深井条件下煤巷锚索采用小孔径、加高预应力的结构形式和施工工艺。
- It takes a lot of work to dig a deep well. 挖一口深井很费事。
- The water for house is pumped up from a deep well. 供给屋子的水是从深井里压起来的。
- It take a lot of work to dig a deep well. 挖一口深井很费事。
- This village is watered by deep wells. 这个村庄靠深井供水。
- Right at the center of this evil plain there yawns a very wide, deep well, whose structure. 在这邪恶的场所的正中，一口极广极深的井张着大口。
- The best coal is that from Newcastle. 新堡的煤质量最好。
- 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。
- The results show the combined roof trusses has a practical support effect in coal roadway. 研究表明组合桁架锚杆对煤巷具有良好的支护效果。
- The rim is flat and there is a rather deep well, or cavetto. 边缘是平坦的，有一个相当深的底部，或称为圆底。
- Poor machining quality of drillpipe of coal roadway drilling machine and the cause of rupture on case are analysed. 分析了煤矿用坑道钻机钻杆的加工质量问题和现场使用时产生断裂的原因。
- Water from deep well is directed to thirsty cattle and parched crops. 深井里的水输送给干渴的家畜和焦干的庄稼。
- The combined support with cable bolt wire mesh and shotcreting is applied in coal roadway in Xingan Coal Mine of Hegang Mining Industry Group. 鹤岗矿业集团兴安煤矿在煤巷中应用锚索锚杆挂网喷喧支护,取得了较好的技术经济效果。
- In 1997, the Xingtai Mine succeeded in using bolting &boltmesh supporting tech. in coal roadway(supporting the top coal along the bottom). 1997年，邢台矿在全煤（沿底托顶煤）巷道采用锚杆加锚索的支护技术获得成功。
- The crew successfully drilled in a deep well of more than 6000 metres. 打井人员胜利地打成了一眼六千多米的深井。
- I worked the deep wells for a week and did nothing. 我在深渊上面花了一个星期的工夫,可是没有一点儿收获。
- According to the experiences with rapid drilling in mechanized caving coal roadway, the author analyzes and proposes the measures to improve drilling - speed. 根据多年机掘煤巷快速掘进施工经验进行因素分析并提出了进一步提高快速掘进的措施。
- So deep Well of Eternity was, but also so clear that I can see its bottom. 深不可测的永恒之井,却也清澈见底。
- 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。
