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- drilled well ground 钻井式接地
- The farmers drilled wells for water. 农民打井取水。
- The best ground bears weeds as well as flowers. 最好的土地有鲜花,也有杂草。
- We all drill wells in this area. 我们都在这个地区打井。
- How did you drill wells in those days? 那时候你们是怎么打井的?
- The oil explorers are drilling well. 石油勘探者们正在打井。
- Skinpass part can be cut by the hinge to create the ideal guide, because they already have holes drilled well. 裂缝部件可以由搭钮来裁切,制息不入抱负的导轨,因为它们还来敷裕钻好的孔。
- I shall never forget the days we drilled wells together. 我决不忘记我们在一起打井的日子。
- So now, for any given values of AHO,AHS, the three dimensional design of dieretionally drilled well can be rel-ized by the software package. “定义域、值域法”计算AHT值的两种方法,从而实现了软件包在给定AHO、AHS任意值(全方位)时均可完成定向井的三维设计。
- Graphite anode or Duriron anode ( high silicon castiron anode ) is more often used in deep well ground bed for cathodic protection, but they have some shortcomings. 摘要阴极保护系统在采用深井作为阳极地床时,以往使用较多的是石、墨阳极或高硅铸铁阳极,但其存在很多弊端。
- CinCo H,Mitter F G,Ramey H J.unsteady-state pressure Distrifution created by a Diertionally Drilled well[J].JPT,Nov 1975. 陈伟;段永刚.;煤层气有限导流压裂井的压力动态分析[J]
- Graphite anode or Duriron anode(high silicon castiron anode) is more often used in deep well ground bed for cathodic protection,but they have some shortcomings. 阴极保护系统在采用深井作为阳极地床时,以往使用较多的是石墨阳极或高硅铸铁阳极,但其存在很多弊端。
- When WV transports emergency rations of food to camps, they also drill wells. 世界展望会把救援粮食配给送到难民营时,他们也会开凿水井。
- Zigong people began to drill wells to obtain well salt in the Eastern Han Dynasty (25-220). 自贡人民在东汉时期(公元25年-220年)就开始钻井制盐。
- Often, water is pumped into specially drilled wells to dissolve the rock -salt deposits. 水经常抽入特别地凿岩机溶解沉积的岩盐。
- Standing column well ground heat exchange system 单井循环地下换热系统
- I am well aware that this is a tough job. 我深知这是一件棘手的工作。
- Bits that have been selected for use in the drilled wells in Moxizhuang area are not rational, resulting in relatively low ROP. 莫西庄地区已钻井钻头选型不合理,机械钻速偏低。
- Camels browse on trees as well as on ground cover. 骆驼既吃地被植物也吃树的枝叶。
- The article compares the drainage potential of horizontal and diagonal wells and describes main criteria for the planning of horizontal directionally drilled wells. 本文比较了水平井和斜井的抽采潜力,描述了设计水平定向钻井的主要准则。