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- blasting hole arrangement 炮眼布置
- To increase lump coal ratio in stopes, a scheme is put forward for coal falling by loose pre-shearing millisecond blasting, and hole arrangement parameters and blasting parameters are adjusted. 为提高炮采面块煤率,提出了松动预裂微差爆破的落煤方案,并对布孔参数和爆破参数进行了调整。
- 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。
- The effects of spinneret hole shape, characteristic dimension of spinneret ,hole arrangement and cool conditions on degree of profile were discussed. 异形喷丝孔的当量直径、截面积、孔长等特征尺寸决定了熔体在喷丝孔中的流变行为，建议采用当量异形度作为纤维的异形度指标。
- 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 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。
- The blasting principle of water coupling blasting holes with primacord is discussed. 论述了导爆索水耦合炮眼爆破原理。
- In the working face,reasonable blast technology and shot hole arrangement can raise recovery ratio and economics benefit obviously; 在炮采工作面中,合理的爆破工艺及炮眼布置可明显提高块煤率,提高效益;
- His strength in a crisis is an ace in the hole. 临危不惧是他的看家本领。
- 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。
- 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。
- The arrangement of the young leaves within a bud. 幼叶卷叠式花蕾内的幼叶的排列
- There was an arrangement of books in the window. 窗口摆了一些书。
- 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。
- To achieve high casting blast efficiency, technical parameters such as bench height, angles, diameters and patterns of blasting holes, priming method and delay time should be selected properly. 为取得较高的抛爆率,需要注意选择的技术条件包括台阶高度、炮孔角度、炮孔直径、布孔方式、起爆方式及延时选择等。
- The bird picked a hole in the ice with its beak. 那鸟在冰上啄出了一个洞。
- This arrangement will have to do pro tem. 暂时只好这样安排。
- The accordion was in full blast in the hall. 在大厅里手风琴拉得非常响亮。
