skull breaker

The machine's drill busted. They have to stop to fix up a new one.

机器的钻头破裂了，他们不得不停下来换新的。

Rock crushing simulation and cutting bit optimum design based on fracture and damage mechanics

基于断裂损伤的岩石破碎模拟与钻头优化设计

Rock Splitting Mechanism Numerical Simulating Analysis of the Rock Drill-splitter;

钻孔劈裂器破岩机理的数值模拟研究

Longitudinal-cracking Failure Analysis of Box

φ139.7mm钻杆内螺纹接头纵向开裂失效分析

Cause Analyses of Pin Joint Fracture of 139.7 mm Heavy Weight Drill Pipe

139.7mm加重钻杆外螺纹接头断裂原因分析

Simulation Research on the Rock Breaking System of Bit Tooth-Row Composite Locomotion;

钻头齿圈复合运动破岩系统仿真研究

Simulation model of drilling process of three-cone bit

三牙轮钻头破岩过程计算机仿真模型

EDM can also be used to remove Broken taps and studs and to drill holes as small as 0.05mm.

EDM还可用来切除破裂的螺栓和螺塞,并可钻小至O.05mm的钻孔。

Borers which were usually broken into bit in the implementation of blasting engineering made bits abandoned.

在各类爆破工程施工中，常有因钎梢断入钻头内而使钻头报废。

unit-type drill head

组合钻床钻头, 标准钻头

used of a break or crack or tear in bone or cartilage.

用来指骨头或者软骨的折断、有裂纹或者破裂。

Research on Technology of Fast Speed Drill Pipe Bit Based on Breaking Roadway Floor Ore-forming

基于破碎巷道底板成孔的快速钻杆钻头技术研究

fractured her skull in the accident;

在事故中她的头盖骨破裂了；

The latest scan, however, showed no skull fractures.

但最新的扫描显示并没有头骨破裂。

bone fracture associated with lacerated soft tissue or an open wound.

骨头断裂软组织受到破坏。

A single fracture is when a bone is broken in just one place.

单一骨折是指骨头在一个部位破裂。

If a water-pipe bursts turn off the stopcock immediately .

如果水管破裂时要立即关闭水龙头。

Research of the Formation Breakdown Pressure in Toutai Oilfield Development

头台油田开发后油层破裂压力的确定