Apply air reverse circulation drilling, appropriate increase length of twofold wall drill tools under certain conditions, may be drilling much deeper.
运用气举反循环钻进，在满足一定条件下适当增加双壁钻具长度即可得到较大钻进孔深。
13 years ago, Jerry wanted to drill a hole through his living room wall.
13年前，杰瑞想在客厅的墙上钻个洞。
Finally she had to hire a Puerto Rican fellow to drill a hole in her wall.
最后，她只好雇了一个波多黎各来的家伙在她的墙上钻了个窟窿。
In an Interior Tunnel/Wall Outside Scylla Hallway, Sucre is continuing to drill.
在锡拉房间的墙外，苏克雷正在给墙钻孔。
Jack used a drill to bore a hole in the wall above the fireplace.
杰克用钻子在壁炉上方的墙上钻孔。
The drill bit breaks through the wall and he smiles.
当钻头钻通了墙后，他高兴地笑了。
If we drill holes in strategic locations, we compromise the load-carrying capacity of the wall.
如果我们在关键位置钻孔，墙的承重强度就会降低。
Another thing, we'll have to drill a hole in the wall for the electric wires.
还有一件事，我们将不得不为电线在墙里面钻一个洞。
Drill for drilling wall anchor holes.
用于打钻墙壁锚栓孔的电钻。
Iff we drill holes in strategic locations, we compromise the load-carrying capacity of the wall.
如果我们在关键位置钻孔，墙的承重强度就会降低。
And the main products we manufacturing are: electric hammer, electric drill, wall hole saw, metal hole saw, woodworker hole saw, cemented carbide drill etc.
公司生产的主要产品有：电锤电钻墙璧开孔器，金属开孔器，木工开孔器，硬质合金钻头等系列。
The main concrete cutting tools that are utilized include the wall saw, the flat saw, the core drill, and the wire saw.
混凝土切割工具，主要是利用包括看到墙上，单位锯核心钻、绳锯。
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。
Drill three holes in the wall for the screws.
在墙上钻三个孔，以后好上螺丝。
It's thought they bored a holesintosthe wall using a power drill, but ended up breakingsintosan optician's office.
他们意图通过电钻在墙上钻洞然后进入电子器材商店，结果却发现进入了眼镜铺。
When the force can not contact drill string with one side of the borehole wall, the stiffness of drill string can influence the contact force.
当外力不足以使钻柱紧贴于井壁的一侧时，钻柱的刚度对钻柱与井壁之间的接触力有影响。
The present technique is a new thin cutoff wall construction method by modifying the original method as to use flat drill bit instead of cross bit and adopt positive and negative circulating system.
冲切成槽薄壁混凝土防渗墙施工技术是在原冲击成槽建造防渗墙的基础上，对冲击钻头和施工工艺加以改进，用扁钻头代替十字钻头，用正反两种循环系统进行泥浆循环的一种新防渗墙施工方法。
In this paper, the structure feature and principle of this special drill has been introduced. Its special design is very useful for drilling thin-wall pipe.
本文介绍了薄壁管专用钻头的结构特点及工作原理，其结构设计新颖，对薄壁管的钻削有实用价值。
The anchorage force of consolidated anchorage with prestressed bolt is actually the friction resistance between sand and the wall of drill hole.
砂固结预应力锚杆的锚固力是由砂体与锚孔壁之间的摩擦力提供的。
I calculated the drill point coordinates, hid them in my tattoo, and then projected them back onto the wall.
我算过了钻孔的坐标，隐在了我的纹身里，然后把坐标重新投射回墙上。
Because its rigidity are less than the drill collar, less contact area with wall of a well, is also not easy to form differential pressure sticking.
由于其刚性比钻铤少，和井壁接触面积小，也不容易形成压差卡钻。
Reinforced back panel for a flat screen TV; no need to drill holes in the wall and cords can be hidden at the back.
加强型背板，可用来安装平面数字电视；无需在墙上钻孔，而且，可将电线隐藏在背面。
Know how to use power tools. There are few things more empowering than being able to drill a hole in a wall and hang up pictures on your own.
有些活计就是要你靠力气去解决的，这比在墙上钉钉子然后挂上画要更花力气。
Wall stabilization of highly inclined shale boreholes is important to drill a well successfully.
大斜度井泥页岩的井壁稳定对油气井的正常钻井十分重要。
MICHAEL: I calculated the drill point co-ordinates, hid them in my tattoo and projected them onto the wall. .
我计算了钻孔的坐标，把它们藏在我的纹身里，然后再投影到墙上。
The tangency point of Bottom Hole Assembly is located at where the drill string just touches the wall of the borehole, and the contact force is zero here.
在计算底部钻具组合的受力和变形时，以前一般都是按弯矩为零的条件来确定其上切点的位置。
The tangency point of Bottom Hole Assembly is located at where the drill string just touches the wall of the borehole, and the contact force is zero here.
在计算底部钻具组合的受力和变形时，以前一般都是按弯矩为零的条件来确定其上切点的位置。
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