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