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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。
It takes some question,such as: long hole 、HTHP、solidity delay.Those instance and characteristic require cement slurry kept pumpability in a given time. 井段长、高温高压、延迟固井等情况和特点要求水泥浆在一定时期内保持可泵性。
The blasting effect of this project prove that long hole loose millisecond controlled blasting is a new technology extraordinarily suitable for rock excavation,and worth to be widely spread. 该工程的爆破效果有力地证明了深孔松动微差控制爆破技术是非常适合岩石开挖工程的一门新技术,值得推广。
In this paper, designing and processing technique of a detonating cord of low initial capacity are presented. The detonating cord can satisfy the requirements for long hole blasting in mine. 介绍了一种低起爆能力导爆索的设计、性能及生产工艺。该产品克服了普通导爆索在露天爆破工程中的各种特殊环境和装药条件下的缺陷,能够满足矿山深孔爆破的要求。
The machine's life is very long. 这机器使用寿命很长。
There was a long lag in forwarding mail to us. 转寄给我们的邮件晚了很久才拿到。
You can keep my book as long as you like. 我的书你要借多久都随你的便。
Fruit juices ferment if they are kept a long time. 果汁若是放置很久，就会发酵。
The beggar spun a long yarn about his misfortunes. 那个乞丐编造了一大篇自己如何遭遇不幸的故事。
The enemy thought we wouldn't be able to hole out for long. 敌人以为我们会坚持不了多久的。
How long will our food supplies hold out? 我们的储粮还能维持多久?
Way to Reduce the Large Fragment Rate in Long Hole Blasting 降低中深孔爆破落矿大块率的途径
It was a long trudge up the hill. 那段上山的路很难走。
Exploding technology about long hole blasting in rock roadway 岩巷中深孔爆破技术
Mr Jones has a long history of heart trouble. 琼斯先生有长期的心脏病史。
Cream cakes are no long a luxury. 奶油蛋糕再也不是奢侈品了。
It took a long while to do the work. 做这个工作花了许多时间。
THE HIGH BENCH LONG HOLE MINING IN ANQING UNDERGROUND COPPER MINE 安庆铜矿高阶段大直径深孔采矿法实施方案
Between ourselves, that young man's hair is much too long. 就咱俩之间说说，那小伙子的头发实在是太长了。
It may take a long time to find a solution to the problem. 也许要花很长时间才能找到解决这个问题的办法。