当钻头钻通了墙后，他高兴地笑了。
比如我用的钻头坏了？
我们正在试验他们设计的钻头。
钻台上有合适尺寸和种类的钻头盒。
The correct size and type bit breaker is to be on the rig floor.
给出了钻头配方设计的典型数据。
钻头转速对钻头扭矩几乎无影响。
下一次我们将用什么钻头?。
钻头末端是空的。
钻头是直接破碎岩石的工具。
拿钻头规来量一下钻头外径。
这个钻头使用了多长时间？
我需要一个钻头和螺丝刀。
落下来时，钻头就越来越深地打入地面。
As it fell, the bit was driven deeper and deeper into the ground.
钻头系在由钢丝绳悬挂起来的加重杆上。
The bit was attached to a heavy length of steel suspended by a wire rope.
钻削就是用钻头钻一个孔。
新的钻探泥浆(用于在操作时冷却钻头)也在开发中。
Also in development are new drilling muds that cool the drill bit during operation.
用来做斜角的一种钻头。
钻头必须缓慢转动，以保证钻孔平整光滑。
这是有点更先进的钻头，该如何处置很在乎。
This is a bit more advanced drill, and should be done with much care.
鲍勃：那容易。我明天就做。我把钻头带来。
BOB: that's easy. I can do that tomorrow. I'll bring my drill.
使用电钻时板墙筋之间的空隙刚刚能容下6英寸的钻头。
I was just able to fit my drill and 6-inch bit between the studs.
它改变了牙轮钻头直径校核的传统设计顺序。
It has changed the traditional design order in checking the diameter of bit.
金刚石钻头在结构特点和技术方面具有优势。
Diamond bit has advantages in structural characteristics and technology.
他的钻头与电缆接触时，他差点就被电死了。
His drill came into contact with electric cable, and he was nearly electrocuted.
工具：你的爱人的金刚石钻头丢了或者坏了，你发现了吗？
With Tools: Did you notice your honey lost or broke his diamond drill bit?
不一会儿，吉米心爱的钻头已顺利钻进了钢门。
In a minute Jimmy's pet drill was biting smoothly into the steel door.
不一会儿，吉米心爱的钻头已顺利钻进了钢门。
In a minute Jimmy's pet drill was biting smoothly into the steel door.
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