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- It can be used for reference for the import and remoulding of supporting equipments of deep well mining of narrow and gentle dip vein. 这对我国缓倾斜薄矿脉的矿山深井开采支护设备的引进和改造，将有一定的参考借鉴作用。
- With the increase of mining depth, the deep well mines were more and more.Therefore the backfill mining method was of great important. 随着开采深度的增加,深井矿山越来越多,充填采矿法已显得越来越重要。
- Further description is made on the application and testing results of hydraulic prop in the deep well mining of slowly inclined thin ore vein. 还进一步介绍了水压支柱在深井缓倾斜薄矿脉开采中的使用情况和一些测试结果。
- It takes a lot of work to dig a deep well. 挖一口深井很费事。
- Deep well mine 深井矿山
- 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。
- Test and Application of Self-made Hydraulic Prop in the Deep Well Mining of Slowly Inclined Thin Ore Vein 自制水压支柱在缓薄矿脉深井开采中的试验与应用
- 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。
- 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。
- 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。
- 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。
- 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。
- We have raised the coal output by using better mining methods. 我们利用更好的采煤法增加了煤炭产量。
- The feasibility study on deep well injection to cyanide containing wastewater. 含氰废水深井注入技术的可行性研究。
- 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。
- Now Laura could only feel a deep well of sympathy and pity for the older woman. 现在劳拉对这名老妇女只能感到深深的同情和怜悯。
- Deep well mining 深井开采
