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- On Problems of Water Lowering Technology by Deep Tube Well 谈深井管井降水技术若干问题
- deep tube well 深管井
- Two is the use of steel poles supporting continuous sucker rod centralizer devices, reduce the deep tube wells pumping between shots wear, extend oil production cycle; 二是利用钢质连续抽油杆配套杆柱扶正装置，减小深抽井管杆间磨损，延长油井的生产周期；
- Appropriate quantity of heat exchange of unit length tube well should be chose according to edaphic characteristics. 因此应根据土壤特性，选择合适的单位长度管井换热量。
- For inoculation of an agar deep tube, a straight needle is inserted to the bottom of the tube in a straight line and rapidly withdrawn along the line of insertion. 在接种试管深层培养基时，一支直的接菌针直线地穿刺到试管的底部，同时快速地沿著接种线抽出。
- This paper recommend a kind of simple manual die to bend the thin-wall rectangular cross section steel tube well in forming process. 介绍了一种简单实用的手动弯曲模，可以较好地完成薄壁矩形截面钢管的弯曲成形工艺。
- Thispaper solves the problem using teclmique of big tube well, steel protecting canister, umbrella model breast wall and so on. 大孔经人工挖孔扩底灌注遇地下水施工难度大,本工程采用大管井降水,钢护筒,伞模护壁等工艺和技术解决了这一难题。
- The determination of diameter and length of tube well filter is always a problem not being completely solved for a long time in tube well engineering from theoretical and practical point of view. 长期以来,管井过滤器直径和长度确定一直是管井工程未完全解决的理论和实践课题,迄今,有关规定不同,存在学术见解分歧,也存在诸多值得讨论的问题。
- It takes a lot of work to dig a deep well. 挖一口深井很费事。
- Conduit and Tube Well Management with TPGIS 通信管线资源管理中的管道、管井管理
- Some plants push their roots deep into the soil. 一些植物的根深深长入土中。
- The medieval town was fortified with a high wall and a deep moat. 这座中世纪的城市周围建有城墙和护城河。
- Can you ladle the soup out of this deep pan for me? 你能从这个深底锅里舀点汤给我吗？
- Deep Tube Perfusion Quality Control in High Buildings 高层建筑中沉管灌注桩桩基的质量控制
- A deep gorge separates the two halves of the city. 有一道深谷把这座城市分成两部分。
- The tractor has make deep furrow in the loose sand. 曳引机在松软的沙土上留下了深深的车辙。
- A deep ravine is on the left of the road. 有一道深沟在马路左边。
- It has its roots deep in the Middle Ages. 它起源于遥远的中世纪。
- A deep melancholy runs through her poetry. 她的诗中贯穿著悲伤的情调。
- Analysis and Application of the Restoration of the Tube Well 管井修复方法的分析与应用
