查询词典 drilling

To quest actively for a new model of campus-corporation cooperation, and to build up a high-level productive campus-drilling base are development ways of high vocational school in drilling base construction.

积极探索校内生产性实训基地建设的校企组合新模式，建设高水平生产性实训基地，是高职院校实训基地建设的发展方向。

On the aspect of mechanical process, we have purchased one CS6240 lathe and one CS6266 lathe produced by the first standard corporation-Baoji lathe. And now the length 8m lathe has been delivered to our company. One XQ6230B universal slewing head milling machine ; one BS6065 shaper ; one ZN3050/16 rocker drilling machine ; one GD4240/65 band saw machine ; 5 24012 bench drilling machine.

机加工方面，金工车间公司购入全新的国内一流企业宝鸡机床厂生产的 CS6240和 CS6266车床各一台，尚有重型8米车床也将交付公司使用； XQ6230B 万能回转头铣床一台， BS6065牛头刨床一台， ZN3050/16摇臂钻床一台， GD4240/65带锯床一台，24012台式钻床5台。

New formula of drilling mud density of the control wellbore closed rate in salt bed .;2. Application of ternary copolymer salt-resisting fluid loss reducer in salt bed of Carboniferous system in Tahe oilfield.;3. The components of amphoteric polymer salt tolerance mud have been introduced, and the field operation technology drilling through thick salt bed by using amphoteric polymer mud system has been summarized.

论述了盐对泥浆胶体性质的影响机理，介绍了两性离子聚合物抗盐泥浆的组成，总结了两性离子聚合物泥浆体系钻穿大段盐层的施工工艺及现场应用中常见的问题，指出抗盐泥浆的基础是保证处理剂对粘土颗粒足够的护胶能力，而手段是提高抗盐处理剂在泥浆中的含量。

Shandong Rock Drilling Tools Factory Co., Ltd. was founded in 1993, is a rock-drilling and mining brazing equipment research and production of professional businesses, are "high-tech enterprises in Shandong Province","state-level Torch Program project implementation unit,"" China Patent Shandong Star Enterprise "," Chinese famous brand of township enterprises of key enterprises "," AAA "grade credit enterprise, the country's largest production base of the first solder, the overall strength ranks with the industry-leading position nationwide.

山东凿岩钎具厂有限公司始建于1993年，是凿岩钎具和矿用机具研究和生产的专业企业，是&山东省高新技术企业&、&国家级火炬计划项目实施单位&、&中国专利山东明星企业&、&中国乡镇企业创名牌重点企业&，&AAA&级信用企业，全国最大的钎头生产基地，整体实力位居全国同行业领先位置。

Jinkai force DTH drilling rig license for its unique design, innovative construction, energy efficient, widely applicable to small and medium-sized mining, water conservancy, road construction, stonework Engineering hole, rock-drilling operation.

金凯力牌潜孔钻机以其独特设计、新颖构造、高效节能，广泛适用于中小型矿山、水利、筑路、石方工程中的炮孔、凿岩作业。

Concrete transport pump, asphalt paver, vibratory roller, road roller, piling machine, tunnel drilling robots, large concrete mixer, urban multi-level parking lot and anti-sandstorm, high frigid-resistant, large hoisting, mine-probing, rock-drilling, deep-digging, deep-laying equipments and their accessory products.

混凝土输送泵、摊铺机、压路机、压桩机、隧道凿岩机器人、大型混凝土搅拌机、城市立体停车库以及抗风沙、耐高寒、大吨位的起重、探矿、凿岩、深挖、深埋设备及配套产品。

The analyses of the relationship between drilling parameter and rate of penetration was done,and the principle of coupled driven drilling by improving rotary speed of bit was revealed to increase bit rock-breaking energy to improve penetration rate.

分析了钻井参数与钻速的关系，揭示了复合钻井通过提高钻头转速，从而增加钻头破岩能量来提高机械钻速的机理；在分析井斜原因和钟摆钻具防斜打直原理的基础上，分析了直螺杆钻具和弯外壳螺杆钻具组合的防斜机理以及两者的联系与区别，指出在地层倾角较小时采用直螺杆钻具组合，地层倾角较大时采用弯外壳螺杆钻具组合，以达到防斜打快的目的。

High pressure revolving water jet technology has an obvious advantage in drilling large hole diameter and long continuous holes and is also characterized by high efficiency,energy saving,large and regular borehole,high rock-breaking efficiency when drilling coal seams.

高压旋转水射流技术在钻大井径、长连续孔方面具有明显优势，在煤层中钻井又具有高效、节能、钻孔大、成孔规则、破岩效率高等优点，因此在煤层气地面径向水平井技术和井下采空区钻长直井技术中广为应用。

In allusion to the problems existing in using medium pressure air as drilling fluid under the conditions of breccia formed by small structural action, loose coal layer and unstable formations, new type of drilling tools and bits was designed. The mechanism of cutting removal by air media was stated and analyzed.

在针对小构造带形成的角砾岩、松散煤层、不稳定地层等瓦斯地质条件下，采用中压风作为冲洗介质进行钻探中所存在的问题，重新设计了新型的钻具级配、正反向一体化钻头等，并且对风介质的排渣机理进行了阐述和分析。

We are a professional drilling company in Beijing, the main business of professional dismantling, specialized drilling, engineering, demolition, Beijing housing demolition, removal of the stairs Beijing, Beijing, on the ground cutting demolition, removal of the balcony Beijing, Beijing, cement, construction demolition, removal of floor tiles Beijing, Beijing, demolition concrete.

我们是北京一家专业打孔公司，主要业务有专业拆除、专业打孔、工程拆除、北京房屋拆除、北京楼梯拆除、北京地面切割拆除，北京阳台拆除，北京水泥建筑拆除，北京地砖拆除，北京拆除混凝土。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。