drill的例句大全

The solving method for main cutting edge and grinding principle for flank of non coaxial helical micro drill point is described.

介绍了主切削刃的求解方法以及非共轴螺旋面钻尖后刀面的刃磨原理；

Diagonal cut rock drill plus bits cross-bladed chisel bit

对角十字形岩石钻头

A testing method of drill core's mechanical properties, triaxial stress testing, is described.

介绍了钻井岩心机械传性的测试方法──三轴应力试验.

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

Conclusion it was cure intraventricular hemorrhage, available approach that cranial drill hole, infuse urokinase into ventricle haematoma intracavity and put tube persistent outside drainage.

结论：颅骨钻孔、脑室血肿腔内注入尿激酶置管持续外引流是治疗脑室内出血的有效方法。

Brain biopsy of 70 cases by small cranial drill in neurological medicine

神经内科小颅钻行脑组织活检70例分析

The plan that the falls blasting by prefab coyote hole primarily, and demolition the both sides drill hole scrap for auxiliary is used in ⅲ-phase RCC cofferdams in the Three Gorges Project, in which prefab coyote blasting attract more attention especially.

三峡工程三期RCC围堰采用以预置集中药室倾倒爆破为主、两端钻孔炸碎爆破为辅的拆除爆破方案，其中预置集中药室的围堰爆破尤其令人关注。

Application of Floating Positioning Countersink Drill

定位浮动式锪刀的应用

Improvement and optimization of titanium alloys countersink drill

钛合金锪钻改进与优化设计

Measurement Method and Experimental Research on Dynamic Force Behavior of Bottom Drill String counterbore with guide

底部钻柱动态力学特性测量方法与实验研究有导柱的平底扩充孔钻

The Design and Application of Mechanically Fixed Counterbore Drill

机夹扩孔钻的设计与应用

Punch Processing of Drill Socket Notches

钻头套缺口的冲裁加工

The paper introduces some methods of constructing bunker by the sinking stage lifted with manual calabash. After using the counter-well drilling machine drill hole to brush in a big way, carrying on permanently support again;

长段掘进煤仓，喷射混凝土临时支护，用手动葫芦升降永久支护混凝土砌壁工作盘进行煤仑施工。采用反井钻机钻孔后刷大，再进行永久支护；

The Development and Application of Wire-line Coring Tool for Placer Drill

砂钻绳索取心钻具的研制与应用

The Application of Analytical Technology for Drill String Stress Wave Spectral

钻柱应力波频谱分析技术的应用

Drill string design of drilling complex formations and its application technique study

复杂地层钻井的钻柱设计及使用技术研究

Study on Dynamic Characteristics and Failure Mechanism of Drill String in Air Drilling

气体钻井钻柱动力学特性及钻柱失效机理研究

Calculation and analysis of fatigue strength of drill string in deep well

深井钻柱疲劳强度计算与分析

The Acquisition System For Drill String Vibration Signals And The Spectrum Analysis

钻柱振动信号采集系统及谱分析

Computer Simulation of Drill String, Bit and Rock System

钻柱、钻头与岩石系统计算机仿真