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- simultaneous drilling with casing 跟管钻进
- It's an electric drill with a range of different attachments. 这是一个带有各种配件的电钻。
- The Application of Prejudicial DTH Drilling with Case in Cobble and Gravel 偏心潜孔锤跟管钻进技术在砂砾石层中的应用
- Technology application for anchor drill and drilling with casing of accumulation body 堆积体锚索钻孔跟管钻进工艺技术的应用
- An electric drill with a range of different attachments. 带有各种配件的电钻。
- He ordered us to get ready for running in hole with casing. 他指令我们做好下套管的准备。
- Slow RPM and light WOB are needed in drilling with a new bit at the beginning. 钻头使用初期要慢一点转，钻压要低一点。
- Methods Theoretical deducing, mode constructing with case analysis. 方法理论推导、模型构建与实证分析相结合。
- For connecting the different type of spindle of drill with the drill bits. 用于不同型号钻机的主轴与钻头的联接。
- drilling with casing 跟管钻进技术
- Use your drill with cluth or our Heavy Duty Rotary Drive System below. 使用电钻或旋转驱动系统。
- eccentric drilling with case 偏心跟管
- Do you like to sing the drills with the music ? 你愿意把今天所学的句型随着音乐唱出来吗？
- Rapoport.A highly readable introduction to OCD, with case histories. 男孩不停的洗涤; ISBN 0451172027; by Judith L.
- Drilling with light blue see more clearly, the emergence of this Central keratoconus rate of 50%. 用钻蓝光线看得更清，此环的出现率占圆锥角膜的50%25。
- Use the electric drill with bore of 6mm to drill according to the position of marks. 在钉印处用电锤或冲击钻装直径6毫米钻头打孔。
- Mathema ti cs models of geometry parameters of twist drill with straight edge are establis hed in this paper. 在研究直线刃标准麻花钻的基础上,建立了有关切削几何参数的数学模型,并对标准麻花钻的几何参数进行了定量的分析。
- Most chapters begin with case studies written by entrepreneurs and MBA students working in China. 大多数章节以案例开始,这些案例为中国的企业家和mba学生所写。
- The paper introduced the structure and principle of DTH hammer drilling with concentric simultaneous casing, which used in seismic exploration drill in gravel. 摘要介绍了适合卵砾石地层地震勘探孔施工用的潜孔锤同心跟管钻具的结构和工作原理。
- YG Carbide drills with coolant holes are new arrival. 09YG全钨钢超硬油孔钻头新上市....
