This would assist the drilling of a bore hole into the mine, to take a gas reading from near where the miners are.
这将有利于向煤矿下钻孔，来读出矿工所在位置附近的气体指数。
BORE: The process of enlarging an existing hole with a rotating cutting tool.
镗孔：使用旋转式切削工具扩大孔的过程。
The video was taken with a camera lowered down a narrow bore-hole from the surface, some 700m (2, 300ft) above.
该视频由一架透过地面（离矿底约700米（2300英尺）高）一狭窄钻孔下伸的摄像机拍摄而成。
We'd better bore a hole through the plank.
我们最好在这块板上钻个洞。
Based on the basic features of dynamic gas emission during boring process, a theoretical model for calculating the dynamic volume of gas emission from bore hole is set up.
基于钻孔过程中瓦斯动态涌出的基本特点，建立了钻孔瓦斯动态涌出量的理论计算模型。
The article presents the application of technique datum hole in designing special clamps for drilling diagonal bore and finishing inclined plane, and raises calculation analysis.
论述加工斜面、斜孔零件时工艺基准孔在夹具设计时的应用，并提出了计算分析。
Obtain to concern small bore a hole with the first inventor board the invention of the respect is patent.
以第一发明人获得一项有关微穿孔板方面的发明专利。
I DO NOT recommend this because it is way to easy to over bore the hole.
我不推荐，因为这是很容易的方法对孔孔。
The NC boring lathe equipped with this kind of deformable arm can bore special shaped pin hole for piston efficiently, and meanwhile meet the demand of micro meter accuracy.
装有这种新型变形镗杆的NC镗床能高效地镗削活塞异形销孔，并达到微米精度的要求。
The NC boring machine equipped with this kind of deformable bar can bore special-shaped pin hole in piston efficiently, and meanwhile meet the demand of micro-meter accuracy.
装有这种新型变形镗杆的NC镗床能高效地镗削活塞异形销孔，并达到微米精度的要求。
The text show the method to transact soft base under subgrade by mudjack, plane furnish, hole site, confirm pressure, deep of bore and technics flow of mudjack.
简要说明压浆法处治路基下软弱地基的方法，平面布置、孔径，确定压力、钻孔深度，以及压浆工艺流程。
The pressure should not be painful or uncomfortable - don't try to bore a hole into your arm!
压力不应该是痛苦或不舒服的-不要试图孔孔到你的手臂！
This paper discusses the factors affecting hole inclination measurement with horizontal liquid surface bore hole TV system.
提出水平液面式孔内电视系统测量孔斜的误差因素。
This paper proposes that Poisson's ratio of rock mass and in-situ stress are directly determined using optimization method according to measured strains obtained from bore hole stress relief process.
本文根据孔壁应力解除法获得的量测应变，提出了采用最优化方法直接确定岩体的泊松比和原始地应力。
The guided drilling system includes a drill string configured to continuously and accurately bore a hole in the ground without the need to periodically break the connection of the drill string.
该定向钻探系统包括一根构成能连续地和精确地在地面上钻孔并且无需周期地断开其连接的钻杆柱。
When the bore hole-top-enclosed grouting method is used to conduct high-pressure curtain grouting, shallow weathered broken rock is easy to be split, resulting in excessive grout loss.
采用孔口封闭灌浆法进行高压帷幕灌浆时，对于浅层风化破碎岩体易产生多次劈裂而流失过多浆液造成浪费。
This article describe the concept and definiens of Angle of view of super wide Angle bore hole television system, and by means of this television system to measure the object in the well accurately.
本文提出了超广角井下电视系统视场角的概念及标定，以及利用该电视系统对井内落物尺寸进行精确测量的方法。
Today, tree farmers bore a small hole into each tree, about three feet above the ground, and this does no harm.
今天，树农们在每棵树上大约离地三英尺的地方钻一个小孔，不会对树木造成伤害。
If the section is a circular arc in the spatial slanting plane, the circular arc is the extremely reasonable bore hole path curve for slide drilling in minimum curvature method.
在此方法中，假设井段是空间斜平面上的圆弧，对于滑动钻进方式，圆弧是非常合理的井眼轨迹曲线。
Specially constructed bore-hole seismometers are now available on the market.
目前在市场上已出售特制的钻孔地震计。
The limit deepness of deep bore-hole with mud dado in the soils is calculated and analysed by adopting theory of limit analysis.
利用极限分析原理对土体中泥浆护壁深钻孔的极限孔深问题进行计算研究。
The results show inorganic scale is calcium carbonate and scale in down hole and well bore area is the most severe. It agrees with practical situation basically.
结果表明，油井无机结垢类型主要是碳酸钙垢，结垢最严重区域为油井井底及近井带，与实际情况基本吻合。
The construction methods and techniques of freezing bore hole are presented in this paper.
文中介绍了其冻结孔的施工技术及方法。
It is unable to solve the strain seismic wave of bore hole by wave equation because the mechanical characters of the media models inside and outside bore hole can not be determined.
由于钻孔内外的介质模型的力学性能不能测定，不能用波动方程来解钻孔应变地震波。
Meanwhile, the downhole motor and MWD are not affected and wellbore trajectory can be controlled because of the continuous fluid phase flow throughout the bore hole.
同时由于从井口到井底始终存在着连续的液相流，常规井下动力钻具和随钻仪器的性能不受影响，可以进行正常的井眼轨迹控制。
The application in the wellsite shows that the new drilling fluid system effectively solves the problems of bore-hole stability and satisfies for the drilling operation of Tanggu 5 well.
经现场应用表明，该体系舱有效地解决堂古5井四开井段盐膏层易溶解、易垮塌造成的井壁不稳定问题，满足了堂古5井的钻井施工要求。
To low production and low pressure wells, low pressure makes liquid depth in bore hole to be low before it closed.
低产低压油井关井后，井筒内出现段塞流，测试资料表现出很长的早期段。
A reasonable mechanical design of the main die body was given on the basis of considering every determining factors such as the bore hole condition (casing or not).
并根据井眼条件(有无套管)等方面因素，对打捞主体的机械结构进行了合理设计。
A reasonable mechanical design of the main die body was given on the basis of considering every determining factors such as the bore hole condition (casing or not).
并根据井眼条件(有无套管)等方面因素，对打捞主体的机械结构进行了合理设计。
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