rock drill的例句大全

Mini rock drill has been produced based on patented technology for rock drill warm extrusion.

采用钎头壳体温挤压精密成形专利技术生产了小型凿岩钎头.

The rock drill is indispensable for digging coal mines.

凿岩机是煤炭采掘不可缺少的工具.

Disassamble the rock drill and inspect the wear, replace worn part.

拆开冲击器,检查磨损情况, 更换磨损件.

If they knew how difficult it was to drill through the ard rock.

如果他们知道了钻透那坚硬的岩石有多么困难.

A drill bit used for obtaining core samples in concrete or rock formations.

钻头被用来在水泥或岩层获取岩芯样品.

This drill can bore through rock.

这台凿岩机能钻透岩石.

If they knew how difficult it was to drill through hard rock, they would lose heart.

如果他们知道要钻透岩石层有多么难, 他们一定会绝望的.

The invention of pneumatic drill . This device compressed air to bore holes in the rock.

风钻的发明. 这种工具用压缩空气在岩石中打洞.

Computer Simulation of Drill String, Bit and Rock System

钻柱、钻头与岩石系统计算机仿真

Diagonal cut rock drill plus bits Cross recessed pan head screws

对角十字形岩石钻头GB/T818-1985十字槽盘头螺钉

Diagonal cut rock drill plus bits cross-bladed chisel bit

对角十字形岩石钻头

By sampling the drill cuttings and using a microcomputer at the well site, the rock drillability can be determined by the energy law measure system.

能量法岩石可钻性测定系统是通过采集钻井井口岩屑并利用微机来测定岩石的可钻性。

The drill is strong enough to bore through solid rock.

这把钻足以钻透坚固的岩石。

Recently, a common method is fixing direction of drill hole, not considering anisotropy of rock body.

目前, 通用的设计方法是不考虑岩体的各向异性而采用固定的钻孔方向.