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- The form and devel-opment of the blast hole cracking is t he main reason which leads to the effe ctive crush. 不同炮孔周围裂纹的适量产生与发展,是引起岩石有效破碎的真正原因。
- At the Garson Mine in the Sudbury basin, an instrumented test opening has been mined under a paste backfil1ed blast hole stope. 而在萨德伯里盆地的加森矿，已在采用深孔崩矿的膏体充填体下进行试采。
- Blact hole cxplesion in a confed condition within tunneling is analysized,a stage-by-stage blast hole design theory and the related paraameters are presentes. 对掘进中处于夹制情况下的炮孔爆破进行分析，提出炮眼分阶段设计的原理及有关的参数。
- By improving parameters of the blasting hole,the charge,charging structure and the priming order etc,the smooth blasting is formed. 通过改进爆破的孔网参数、装药量与装药结构、起爆顺序等,从而形成了光面爆破。
- The study has sho wn that the deeper the blast holes, the longer the initiation delay time. 应用模型对掏槽微差起爆时间进行的优化研究表明,掏槽微差起爆时间与孔深成正比。
- The stemming length of blasting hole is an important bla sting parameter,directly related to the blasting results. 在爆破中,炮孔堵塞长度是一个重要的爆破参数,它直接关系到爆破效果。
- Blasters in this unit group fill blast holes with explosives and detonate explosives to dislodge coal, ore and rock or to demolish structures. 爆破员用炸药填补爆破洞，然后引爆炸药提炼出煤炭，矿石和岩石或粉碎建筑物。
- His strength in a crisis is an ace in the hole. 临危不惧是他的看家本领。
- A 10% service charge is added on to the bill. 帐单上包括了百分之十的服务费。
- Experimental Study of Big entry hole charge for Petroleum 大孔径石油射孔弹性能的实验研究
- Water Pump Flow-rate Calculation at Air-sealed Blast Hole 压气封口式炮孔排水泵流量计算
- Research into Optimum Length of Stemming in Blast Hole 炮孔合理填塞长度的研究
- The accordion was in full blast in the hall. 在大厅里手风琴拉得非常响亮。
- The Improvement of the Blast Hole of the Cold Water Roller 梭织烧毛机冷水辊筒进水头的改进
- He chiseled a hole in the door to fit a new lock. 他在门上凿了个孔，以便装一把新锁。
- Do they charge carriage by bulk? 他们是否按体积计算运费？
- The automatic hoist device of cable of blast hole drills 牙轮钻机电缆自动卷扬装置
- Please charge these bills to my account. 请把这些帐单记在我的账上。
- The bird picked a hole in the ice with its beak. 那鸟在冰上啄出了一个洞。
- The child has picked a hole in his new jumper. 孩子的新毛衣上勾了一个洞。
