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- As a result,the short hole shrinkage method with flat bottom structure was employed to mine the stope firstly,then stoping ore pillar by medium length hole caving method. 后沟金矿采用平底结构浅孔留矿法先采矿房，后用中深孔崩落法回采矿柱，经两年多的生产实践，取得较好的技术经济指标。
- Keywords Blasting with medium length holes;Limestone mine;Surface mining;Geological discontinuity;Millisecond blasting; 关键词中深孔爆破;石灰石矿;露天开采;地质弱面;微差爆破;
- medium length hole 中深孔
- medium - length or deep hole blasting 中深孔爆破
- It was a wooden bench of a medium length. 这是一条中等长度的木头长椅。
- The new method adopted roof presupporting,deep and medium hole blasting,LHD ore removal and tailings filling. 该采矿方法采用采场预控顶技术，中深孔爆破，铲运机出矿，尾砂充填。
- This medium length Par 4 is the tightest driving hole on the golf course, and for most golfers, 3 wood off the tee would be the wise choice. 这个中等长度的4杆洞是球场中最考验开球技术的，对大多数人，用3号木杆开球也许是明智的。
- Strongly muscled and of medium length, with minimal dewlap. 笔直有力肌肉和中等长度，喉部有少许的垂肉。
- Metatarsi are of medium length, strong, and slightly sloped. 跖骨中等长度，结实而略倾斜。
- Blasthole deflection is an severe adverse factor when mining is carried out using large diameter long hole blasting . 在大直径深孔采矿中 ,炮孔偏斜是非常不利的因素。
- A supermassive black hole blasting is destroying everything in its path with a deadly beam of energy. 超大规模黑洞爆发产生的致命能量束能摧毁一切。
- It is of medium length, neither cobby nor slack from excessive length. 中等长度，既不矮胖、不松弛也不过长。
- Muscular, of medium length, moderately arched, with no dewlap.The head erect. 肌肉发达，中等长度，略拱，无赘肉，使头部竖立。
- The outer coat is medium length, straight and wiry, never curly or woolly. 外层披毛中等长度，直或略呈波浪状，决不能卷曲或呈羊毛质。
- The skull is of medium length, slightly domed, with a clearly defined stop. 脑袋的长度适中，略微圆拱，止部清晰整洁。
- Linear charge blasting at the net of highway to Zhuhai aerodrome and the hole blasting at underground stope in Gaofen mining company have been design by the expressions. 按推导的计算式设计了珠海西区机场路垭口条形药包爆破和高峰矿业有限责任公司地下采场浅孔爆破。
- The neck is strong, muscular, of medium length and free of throatiness. 颈部结实，肌肉发达，中等长度，无赘肉。
- The influence factors of rock fracture weak face on cut hole blasting are analysed,suit-able hole distributing method based on fracture distribution is put foreward. 分析了岩体中裂隙弱面对掏槽孔爆破的影响因素，并根据裂隙的分布情况提出相应的布孔方法和原则，对岩巷掘进施工具有实际指导意义。
- HAIR : Medium length, straight with dense undercoat, never soft, wavy or wiry. 毛质：中等长度，直，底毛密，不可以软、成波状或丝状。
- The feasibility of middle_ deep hole blasting in roadway is discussed from present blasting apparatus, blasting technology and work way and the necessity of lifting excavation efficiency velocity and suitability. 从目前的爆破器材、破技术和作业方式等方面论述了平巷中深孔爆破的可行性,以及它对提高掘进工效、度,适应机械化作业线施工的必要性。
