caving造句

Analyzing and fuzzy optimal selection of support pattern of caving roadway
放煤巷道支护方案分析及模糊优选

Application of Angular Bisector Theorem in light support caving face design
角平分线定理在轻放工作面下头调斜中的应用

Bank Caving and Protection at Sima Bend of Jiangsu Section of Yangtze River
长江江苏河段嘶马弯道崩岸与护岸研究

Practice of Gas Control at Upper Corner Angle of Fully Mechanized Caving Face
综放工作面上隅角瓦斯洽理实践

Probing into Blasting and Caving Mining Technology of Seam with Large Dip Angle
大倾角炮采放顶煤回采工艺探讨

Feasibility of strip mining method applied to coal caving mining under villages
条带法实现村庄下放顶煤开采的可行性

Study of Drawing Dilution under Overburden in Block Caving Based on Experiments
自然崩落法覆盖岩层下放矿贫化实验研究

Analysis on Factors Affecting Recovery Coefficient of Fully Mechanized Caving Mining
影响放顶煤综采回采率的因素分析

Application of geotechnical cloth dumped rockfill banket in caving bank consolidation
土工织物抛石护脚在河道崩岸加固中的应用

Practice on mining difficult orebody with block caving method at Fengshan Copper Mine
矿块崩落法开采丰山铜矿难采矿体的实践

Ground behaviour and overlying strata structure of coal face with caving in steep seam
急斜放顶煤工作面的矿压显现和上覆岩层结构

These results can be used as theoretical basis for design and practice of block caving.
为自然崩落法的设计与实施提供理论依据。

OPTIMIZATION OF BOTTOM STRUCTURE AND DRAWING REGIME IN BLOCK CAVING WITH BOTTOM PILLARS
有底柱阶段崩落法底部结构及放矿制度优化

You should wear hard hats when caving to protect the head from bumps and falling rocks.
在开采洞穴时，你必须要戴上安全帽，以防止头部撞到突起物，或者被掉落的岩石砸伤。

The Identifying Method on Sound Wave Imaging of Crack, Abscission Layer and Caving Zones
裂隙, 离层及冒落带的声波成像识别方法

The main factors to affect the top coal caving and drawing characteristics are analyzed.
分析了影响顶煤冒放性的主要因素。

Ligh Caving Support Carried by Resin Bolt Hanging Pulley in Complicated Geological Condition
复杂地质条件下树脂锚杆挂滑轮拖运轻放支架

A Caving Blast Test with a Detonating Fuse over the Tough Roof of a Group of Steep Coal Seams
急倾斜煤层群坚硬顶板导爆索爆破放顶试验

Analysis of the way for the main roof caving relating to the staggered sublevel caving method
错层位放顶煤方法老顶垮落方式分析

Prevention and Control of Gas and Spontaneous Combustion in Caving Mining under Artificial Roof
假顶下放顶煤开采瓦斯和自然发火防治

Cause Analysis of Bank Caving and Landslide at the Great Beijiang Levee and its Control Measures
北江大堤崩岸滑坡原因分析及治理对策

Analyses factors that affect cover caving ability of roof coal in sublevel caving mining method.
分析了放顶煤开采顶煤冒放性的影响因素。

Reason Analysis and Processing of Roof Brokenness and Coal Wall Caving in the Fully Mechanized Face.
采煤工作面顶板破碎、煤壁片帮原因分析与处理

Sixty foot drops are not really much to write home about when someone's been caving as long as he has.
对于像他这样长期从事洞穴勘探的人来说，60英尺的下降高度不值得大写特写。

Coal Caving Rule Research of Horizontal Section Caving in Deeply Inclined Coal Seam with DEM Simulation
急倾斜水平分段放顶煤放煤规律的离散元模拟研究