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- rotary drill for shaft sinking 凿竖井用回式钻机
- cementation and grouting method for shaft sinking 注浆凿井法
- What's the drill for claiming expenses? 费用报销的手续，是怎样的?
- This paper in detail presented the transition of shaft sinking equipment for drift excavation in Wangershan Gold Mine. 摘要:介绍了在山东省望儿山金矿立井施工中,利用立井凿井设施进行平巷施工的改装方法。
- What' s the drill for claiming expenses ? 费用报销的手续, 是怎样的?
- Do this drill for about five minutes. 做这个训练大约需要五分钟。
- You'll have to drill for each of the bolts. 你得给每个螺栓打眼。
- The mast assem-bly supports the rotary drill head and its hoisting mechanism. 支架组件支持转动钻头及其提升机构。
- In Alberta people mine and drill for oil, potash, petrol and gas. 在亚伯达，人们采矿、打井开采石油、碳酸钾、汽油和天然气。
- Optical aligned check for shaft system after boring. 轴系镗孔后光学校中检查。
- A needle-shaped drill for boring holes in rock or masonry. 钻头，钻石器，钻孔器用于在岩石或砖石上钻孔的针形钻
- It was excellent drill for their memories a harmless amusement. 这对她们的记忆力来说是一种绝妙的训练，又是一种有利无弊的娱乐。
- This paper briefly intro-duced the practice of longhole blast shaft-formirg method for blind shaft sinking in Tongshan Copper Mine. 本文简要介绍了深孔爆破成井法在铜山铜矿盲竖井掘进中的实践。
- Design on the power Supply for Electric Copal Drill for Drift.... 巷道煤电钻电源的设计
- The security of freezing wall is the key problem of freezing shaft sinking in deep alluvium. 冻结壁的安全性是深厚冲积层中冻结凿井的关键问题。
- Can you believe they make a drill for pumpkin carving? 你能相信钻孔机可用于南瓜镂刻么？
- The mine shaft sinking with a mine shaft drilling is a reliable mine shaft construction method to pass through a deep and thick alluvium. 钻井法凿井是通过深厚冲积层最可靠的竖井施工方法。
- This text introduced the practice method of the box permanent steel petroleum derrick shaft sinking in the construction of vertical shaft pit shaft. 在立井井筒建设中,我们在原设计的基础上,对箱形永久钢井架凿井的实际方法作了改进。
- COSTRUCTION TECHNIQUE OF ROTARY DRILLING FOR PILE FOUNDATION OF BRIDGE IN PERMAFROST AREA 多年冻土区桥梁桩基旋挖钻施工
- Drill for drilling wall anchor holes. 用于打钻墙壁锚栓孔的电钻。
