capability of top coal caving
顶煤可放性
Top coal caving characteristic
顶煤冒放性
block caving coal mining method
大块崩落采煤法
teclmology of Roof Coal Caving.
放顶煤技术
caving method without sill pillar.
无底柱崩落法
interval caving coal between two cutting.
双轮间隔放煤
fully mechanized top coal caving mining face
长壁综放面
fully mechanized lop coal caving mining face
综放采场
Cause Analysis on Askew of Light Roof Caving Support
轻型放顶煤支架歪架原因分析
Development of CAD System for Sublevel Caving Method
无底柱分段崩落法计算机辅助设计系统的研制
Study on top coal caving below roof and floor in steep seam
急倾斜顶底板处顶煤放出规律研究
Mining Theoretical Great Breakthrough of Sublevel Caving Method
无底柱分段崩落法采矿理论的重大突破
This paper discusses some geomechanics problems in block caving.
本文论述了阶段自然崩落法的几个岩体力学问题。
Discussion on approach of gas at upper corner of light caving face
浅谈轻放工作面上隅角瓦斯的处理
Safety Control of Chamber Caving Blasting with Less Explosive Dose
小药量硐室崩塌爆破的安全控制
Two step Drawing Research on Block Caving with Floor Pillar System
有底柱阶段崩落法的两步骤放矿研究
Study on Preventing Roof Coal Caving in Big Section Bottom Driving
大断面沿底巷道掘进防顶煤冒落研究
Bolting Used for Thick Coal Seam Mining and Caving Roadway Firstly.
特厚煤层放顶煤巷道首次应用锚固支护技术的实践
Underwater caving a sport of diving and exploring underwater caves.
潜水探洞运动。
Practice in mining by longwall caving with artificial bottom pillars
人工底柱长壁式崩落法的开采实践
Analysis for the Roof Caving Reasons of Bolting Support in Coal Roadway
煤巷锚杆支护顶板冒落的原因分析
Analysis on Apparent Dip Caving Technology in Steeply Inclined Coal Seam
急倾斜工作面伪俯斜放顶煤工艺探析
Practice of Gas Management in Opposite Pulling Blast Mining Caving Faces
对拉炮采放顶煤工作面瓦斯治理实践
Prediction and control of tunnel rock burst in nonpillar sublevel caving
无底柱分段崩落法巷道岩爆预测与防治措施
An Approach to Substitution Plans to Sublevel Caving Without Sill Pillar.
是的。蜷缩在窗台，猫叫不对！追逐老鼠。
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