Just should study knowledge broadly but need not go to drill to master in deeply.
只是应当广泛地学习知识而不必去深钻精通。
Application of Bias Weighted Drill Collar in Dingji Coalmine Freezing Well Construction
偏重钻铤在丁集矿冻结造孔施工中的应用
The invention of pneumatic drill. This device compressed air to bore holes in the rock.
风钻得发明。这种工具用压缩空气在岩石中打洞。
Experiment to Improve Chip Breaking Performance of Drill Tip in Stainless Steel Drilling
不锈钢钻削中提高钻尖断屑性能的试验研究
Numerical Control Reform of Drill in Process of Boiler Collecting Chamber and Tube Plate
锅炉集箱、管板加工中的钻床改造设计方案
Drilling continues to the desired depth in the bedrock using a conventional drill string.
在基岩中采用常规钻具钻进以达到所需深度。
The next year saw them make a new record by boring a well with one drill in a single day.
第二年，他们创造了一台钻机一天打一口井的新纪录。
Henceforth in the school also nobody has thrown the paper airplane toward the drill ground.
从此学校里再也没有人往操场扔过纸飞机。
Technical Probe into Electric Coal Drill in Prospectingand Drainage of Abandoned Mine Water
煤电钻技术在探放老空水中的应用
Earthquake Emergency Response and Rescue Drill by PLA Army and Local Government Hand in Hand
军地携手地震应急救援演练
And returns to the surface in the space between the drill pipe and the wall of the borehole.
然后通过钻杆和钻孔壁之间的间隙返回至地表。
There is already a hole in the center of the bracket, so you only need to drill the transom.
已经有一个洞的中心支架，所以你只需要演练的横梁。
In petroleum exploration, artesian well liquid viscosity has great aspect to life of drill stem.
在石油开采中，钻井液粘度对钻杆的寿命有重要影响。
Selection of Design Benchamrk and Tolerance Configuration for in Teeth Wheel Drill Bearing System
牙轮钻轴承系统设计基准的选择与公差配置
Thread form and the length of drill pipe can be manufactured in accordance with user requirements.
钻杆螺纹形式及长度可根据用户要求制造。
Develop on Drill for Boring in Corner in Machining Pin Hole of Last Blade in Turbine Rotor and Blade
加工汽轮机转子末叶销孔用折向钻的研制
In the event failures of boring tools, the fatigue failure of the drill collar is especially prominent.
在钻具失效事故中, 钻铤的疲劳失效尤为突出。
Life is like a spring silkworm cocoon, since bound up, once eyebrow feather, drill into the also in me.
人生如春蚕, 作茧自缠裹, 一朝眉羽成, 钻破亦在我。
a pointed and threaded tool for drilling and boring that is secured in a brace, bitstock, or drill press
曲柄, 钻柄或钻床之上用于钻孔的尖头工具
These tools include the saw, ax, chisel and drill which are used to cut and shape wood in different ways.
这些锯, 斧, 凿, 钻等工具用不同方式切削木头。
A pointed and threaded tool for drilling and boring that is secured in a brace, bitstock, or drill press.
钻头曲柄，钻柄或钻床之上用于钻孔的尖头工具
This was complicated by the fact that the bracket was round and difficult to maneuver in the drill press.
这是复杂的事实，即括弧内是全面和难以演习，在演习的新闻。
But he soon appeared in the classroom and listened appreciatively as the children went through their reading drill.
但他很快出现在教室中, 观摩孩子们的阅读训练。
Downhole blowout preventer that is a safety devices is installed in the drill that connected with the drill string.
井下防喷器是安装在钻具上，并且和钻柱相连的安全装置。
Building of Construction Platform for Steel Casing of Bored Piles in Deep Water and Uncovered Rock guide twist drill
深水裸岩河床上钻孔桩护筒施工平台的搭设
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