borehole caliper

According to the design requirement and construction characteristics of the impervious wall in Three Gorges Project,4 kinds of construction technology were selected and discussed,including vibration hole and high-pressure jetting,conventional high-pressure jetting,integrative drilling and jetting, and self-setting mortar.

根据三峡三期土石围堰防渗体设计要求和施工特点,选择了振孔高喷、常规钻孔高喷、钻喷一体化高喷和自凝灰浆等4种防渗墙施工工艺进行论证。

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 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