The workman is drilling in the wall.
工人正在墙上打孔。
The workmen are drilling in the road.
工人们在路面上钻孔。
Most drilling in metal is done with a twist drill.
大多数金属钻孔用的是麻花钻头。
All these years we have been drilling in this area.
这几年我们一直在这个地区打井。
Drilling in the middle of the solid lid is forbidden and invalid.
在实心盖子当中钻孔是禁止的和无效的。
The same principle was used in a method of drilling in oilfields.
油田的钻探方法采用了同样的原理。
The quality of mud fluid is key to the drilling in complex strata.
复杂地层钻进，泥浆质量是关键。
Literature research of air hammer drilling in domestic and overseas.
国内外空气锤钻井技术的文献调研。
Also in development are new drilling muds that cool the drill bit during operation.
新的钻探泥浆(用于在操作时冷却钻头)也在开发中。
Drilling techniques that work well in one place can fail in another.
钻探技术可能在一个地方有用，在另一个地方就会失去作用。
Why support oil drilling off the coast of Brazil but not in America?
为什么支持在巴西沿岸钻探，而不是在美国？
Western oil majors have recently reported a rise in the drilling failure rate.
西方石油大鳄们最近报告说钻探失败率在上升。
An uncle with drilling steel in hand said it was the steel.
有一位手持钢钎的叔叔说，这就是钢。
Some engineers think it would be no use drilling further in that direction.
一些工程师认为，再朝那个方向钻是没有用的。
A type of offshore drilling and production platform used in very deep water.
一种在非常深的水域中使用的海上钻采平台。
Some of these men now are drilling on the coffee plantation in Guatemala.
其中一部分人在危地马拉的咖啡种植园里进行训练。
The horizontal direction drilling technology is a new one in modern non-excavating construction.
水平定向钻进铺管技术是一种现代的非开挖施工新技术。
Mock drilling is a usual way in teaching of the major of management.
模拟演练是管理类专业教学中的常用方法。
The company is providing finance for oil drilling and development in the North Sea.
该公司提供资金作为在北海钻油及开发之用。
Sticking pipe has been being a complicated problem in drilling this area.
在这个地区打井，卡钻一直是个复杂问题。
In deep drilling process, casing wear is the problem that cannot be ignored.
在深井、超深井钻井过程中，套管磨损有可能导致套管封隔失效和油气井的早期报废。
The paper introduces the application of air drilling technology in well Dayi 1.
文中介绍空气钻井技术在大邑1井的应用情况。
Full cooperation and assistance of the drilling contractor is required in almost every instance.
几乎每一个场合都需要钻井承包商的协作和帮助。
They were doing shooting practice in the drilling ground on the hill that year.
当年他们就在山上的演兵场练习打靶。
Now, the drilling pump widespread in use is the tri-cylinder pump.
针对以上要求，目前广泛使用的是三缸单作用往复泵（简称三缸泵）。
For a long time, perforation is Just regarded as the last simple process in drilling.
长期以来，射孔被认为是钻井工程的最后一道简单工序。
Some of these men now are drilling on the coffee plantation in Guatemala.
其中一部分人在瓜地马拉的咖啡种植园里进行训练。
Some of these men now are drilling on the coffee plantation in Guatemala.
其中一部分人在瓜地马拉的咖啡种植园里进行训练。
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