Most drilling in metal is done with a twist drill.
大多数金属钻孔用的是麻花钻头。
Cordless drill: a 12-volt model will handle most drilling tasks.
无绳钻头：一个12伏型号的将会处理大部分钻井任务。
Differential sticking is, for most drilling organizations, the greatest drilling problem worldwide in terms of time and financial cost.
对大部分钻井组织而言，就时间和费用而论，压差卡钻是发生最多的事故。
It still is a difficult subject for most drilling engineers to predict and control well path by applying the mechanical analysis of bottom hole assembly and the rock-bit interaction model.
利用下部钻具力学分析和钻头与地层相互作用模型来预测和控制井眼轨道对于大多数钻井作业来说仍是一个难题。
Even in America, despite years of debate, most coastal waters and much of Alaska remain off-limits to drilling.
甚至在美国，尽管多年反复争论，大多数沿岸海域和阿拉斯加的大部分地区仍然禁止钻探。
According to the company, its most advanced offshore drilling platform can be run at a depth of 3,000 meters and the maximum drilling depth is 10,000 meters.
据该公司透露，其最先进的近海钻井平台可达3000米深，最大可钻探至10000米深度。
According to the company, its most advanced offshore drilling platform can be run at a depth of 3, 000 meters and the maximum drilling depth is 10, 000 meters.
据该公司透露，其最先进的近海钻井平台可达3000米深，最大可钻探至10000米深度。
Of course, after the oil spill in the Gulf of Mexico, this is not the most propitious climate for deepwater drilling, particularly in an area routinely described as pristine.
在墨西哥湾出现漏油事件之后，理所当然，此时并非进行深水钻井的最好时机，尤其是在一块公众眼中未受污染的原始地区。
Thus, the most important goal of the exploration program is to identify sites on Mars where groundwater is within practical drilling distance of the surface.
这样，探测工程最重要的目的就是在距离地面的实际钻井距离范围内确定地下水的位置。
Currently, the most commonly studied nanochannel is a silicon nanopore, made by drilling a hole through a silicon membrane.
目前，最常见纳米通道的研究是通过在硅表面钻了一个洞的硅纳米孔。
As most of us know, the oil business requires drilling lots of holes into the ground.
多数人都知道，石油业需要在地面上钻很多洞。
Finally, the optimization of the most secure directional drilling program.
最后，优选安全性最高的定向钻穿越方案。
The drilling was being conducted for an existing geothermal power plant built to harvest heat from the world's most
这次钻探是为一个现在的地热能工厂而实施的。 这个地热能工厂是为了从世界最活跃的火山带奇劳威亚火山吸取热能而建造的。
Centipede seam drilling capacity is very strong, it tends to sensitive antennae and flat panels on the first hole to test the joints, rocks and through most of the land or habitat gaps.
蜈蚣钻缝能力极强，它往往以灵敏的触角和扁平的头板对缝穴进行试探，岩石和土地的缝隙大多能通过或栖息。
The most significant of these is the Harnett prospect where a near surface resource has been outlined by previous drilling.
其中最重要的是哈尼特矿区，其近地表资源已被早期钻探圈定。
The drilling machine is the second oldest machine tool, having been invented shortly after the lathe, and is one of the most comom and useful machines.
钻床是第二代机床，被发明在车床之后，并且是多数常见和有用的机器之一。
Most of the preceding MC applications were developed in drilling operations before 1985.
大多数先前管委会申请开发钻井作业前，1985年。
The effect of the feedrate to drilling force is the most significant.
进给速度对钻削力的影响最为明显。
Considering the large work quantity and tight time schedule for the curtain grouting in Bid I of Letan project, drilling speed is the most critical factor in the construction progress.
乐滩水电站I标工程帷幕灌浆工程量大，工期紧，影响施工速度的最大因素是钻孔速度。
One of the most difficult tasks was drilling this accurately.
最艰难的任务之一就是精确的钻孔。
Through this experimentation, it indicates that the sampling bit added pumping hole ADAPTS to drilling in most fragmentized strata.
试验表明，增加了抽吸孔后的取样钻头适合在极其破碎的地层中钻进。
Strain gage hole drilling method is one of the most popular residual stress measurement methods.
应变片钻孔法是工程中应用最广的残余应力测量方法之一。
For the buried minerals geophysical techniques are used to get information. For example, seismic technique and core drilling are often used. These techniques are the most important in prospecting.
对那些深埋的矿物，就用地球物理勘探法来获取资料，如常用的地震勘探技术和钻取岩心法。这些技术对于找矿是最有用的。
A wide variety of machining operations or processes based on the same metal-cutting principle are available; among the most common are milling and drilling carried out on various machine tools.
利用相同的金属切削原理，也会得到完全不同的加工操作或工艺，磨和钻就是其中最普通的一个例子，由于采用不同的加工刀具而产生完全不同的两种加工操作。
He is the most able engineer of the second drilling company.
他是钻排二公司最有能力的工程师。
One of the most important geophysical techniques is core drilling, which is carried out with a hollow cylinder through subsurface layers to obtain samples of rocks.
岩心钻探是最重要的地球物理勘探技术之一。进行钻探时，用一根空心管穿过地表下层获取岩石样品。
One of the most important geophysical techniques is core drilling, which is carried out with a hollow cylinder through subsurface layers to obtain samples of rocks.
岩心钻探是最重要的地球物理勘探技术之一。进行钻探时，用一根空心管穿过地表下层获取岩石样品。
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