Drill hole

Study on the equipment and machining methed of drilling-tapping once shaping;

钻孔和攻丝一次成形的加工方法及设备研究

Experimental simulation of drilling impact of coal sample in three-axle enclosed pressure;

煤样三轴围压钻孔损伤演化冲击实验模拟

Study on drilling performance of swiveling conic abrasive jet;

旋转锥形磨料射流钻孔性能的研究

Grey forecasting method for the gas flow prediction from boreholes;

灰色组合模型在钻孔瓦斯流量预测中的应用

~(210)Po measurement of borehole core and its significance for uranium exploration;

钻孔岩心剖面~(210)Po测定及其找矿意义

Discussion on thickness of borehole casing for in-situ leaching of uranium;

地浸采铀钻孔套管壁厚的讨论

Application of drill hole technology in inclined shaft's dewatering system;

钻孔技术在斜井排水中的应用

3D reconstruction from section plane views based on drill hole information;

基于钻孔信息的二维剖面图的三维实体重建

The application of new cementing processing techniques of drill hole for water plugging in coal mine;

煤田钻孔注浆堵漏新技术的应用

An Improvement on the Drilling Technology of Ship′s Exhausted Gas Boiler Pipe Plate;

船舶废气锅炉管板钻孔工艺的改进

The information management of drill in the mining GIS;

矿山地理信息系统中的钻孔信息管理

Technical practice of using downward drilling hole to pull out gas;

下向穿层钻孔抽采瓦斯技术实践

The relation between pumping volume of drilling hole and uranium concentration in pregnant solution;

钻孔抽液量与浸出液铀浓度的关系

An optimum method of calculating drilling hole position in preventing cross-measure cutting coal gas burst is put forward.

提出了在石门揭煤中预防瓦斯突出的一种计算钻孔位置的优化方法。

The sorker was drilling.

此工人在用钻孔机钻孔。

Any of numerous hand tools for boring holes.

钻孔工具，手钻钻孔用的手持工具

kelly for well-drilling machiens

旋转钻孔,钻井机用

A tool used for drilling.

钻头用于钻孔的工具

boring method (of pulp sampling)

（纸浆取样）钻孔法

Drilling 50 yards deep,

钻孔至50码深处，

Using a drill, he bore a hole through the wood.

他用钻孔机在木头上钻了一个孔。

A hole or passage made by or as if by use of a drill.

钻孔，打洞用或似用钻打孔或通道

To make a hole in or through something with or as if with a drill.

钻孔，打洞用或似用钻打洞或穿孔

To make a hole in or through, with or as if with a drill.

钻，凿，开洞用或似用钻打洞或钻孔

To make a hole with or as if with a drill.

钻孔用钻或类似钻的工具打洞

A needle-shaped drill for boring holes in rock or masonry.

钻头，钻石器，钻孔器用于在岩石或砖石上钻孔的针形钻

A pointed and threaded tool for drilling and boring that is secured in a brace, bitstock, or drill press.

钻头曲柄、钻柄或钻床之上用于钻孔的尖头工具

dowelling in the length, of coniferous wood

针叶树木板,经纵钻孔的

combined pipe tap and drill

管用钻孔攻丝复合刀具

rotary wash-boring equipment

旋转式水冲钻孔设备

borehole content analyzer

钻孔矿物含量分析仪

tap(ping) drill

螺丝孔钻，螺丝底孔钻