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- genesis of roof falling 冒顶成因
- On the basis of the investigation,with the rockmass mechanics and numerical simulation, the mechanism of roof falling of stope and mined out area on a large scale are discussed compendiously. 根据近几年对石膏矿山的现场调查,结合岩体力学的相关理论和数值模拟技术,对石膏矿采场顶板冒落及大规模采空区顶板冒落机理作了简要探讨,据此提出了预防采空区冒落的措施。
- During mining, the stress behaviors of workface are very obvious.Thin rock strata of roof fall by full thick, procreant cranny reach the earth's surface and have clearly sidesteppedsubsidence. 在回采过程中，工作面矿压显现比较明显，顶板基岩沿全厚切落，产生的裂隙通达地表并有明显的台阶下沉。
- During mining, the stress behaviors of workface are very obvious.Thin rock strata of roof fall by full thick, procreant cranny reach the earth's surface and have clearly sidestepped subsidence. 在回采过程中，工作面矿压显现比较明显，顶板基岩沿全厚切落， 产生的裂隙通达地表并有明显的台阶下沉。
- The book deals with the genesis of cultural patterns. 这是一本关于不同文化模式起源的书。
- The varying angles of roof slope. 屋顶斜面多种多样的角。
- "There are four acres of roof," Charlotte told him. “屋顶的面积有四公顷，”夏洛蒂告诉他。
- IS TECTONIC UPLIFTING THE GENESIS OF ABNORMAL HIGHPRESSURE? 构造抬升是异常高压的成因吗?
- We cannot yet satisfactorily explain the genesis of the universe. 我们仍不能令人满意地解释宇宙的起源。
- Use: windows of roof and balcony. 用途：屋顶窗，阳台窗。
- Practice on Handling of Roof Falling in Tunnel with Large Cross Section 大断面隧道塌方处理工程实践
- Opening a new window just must dismantle on the part of roof. 开一个新窗户就得拆除部分房顶。
- The house is tall of columns, wide of verandah, flat of roof. 这房子高柱,宽台,平顶。
- Laboriously did he describe the genesis of the picnic. 他熬费苦心地描绘了这次野餐的根由。
- Accident Reason Analysis of Roof Falling when Driving Faces Across Protective Coat Severing Line an 掘进工作面过保护层切断线冒顶事故原因分析及对策
- The genesis of strike was a disagreement over wages. 那次罢工的起源是因工资问题上的歧见。
- Some Solutions to Prevention of Roof Falling Accidents of Dust Collector of Concrete Powder Storehouse 解决水泥粉仓除尘器冒顶事故的几点措施
- From his attic window he looked out over a wilderness of roofs. 从他阁楼的窗子望出去，他看到一大片屋顶。
- Analysis and prevention of roof fallen in great mining height face 大采高工作面顶板冒落性分析与预防
- The genesis of the deposit falls into hydrothermal quart... 矿床成因类型应属热液石英脉型。
