This paper describes the effects of bottom water cushion on long hole blasting.
本文论述了水垫层在深孔爆破中的作用。
A push unit which is provided with a long hole is positioned in the groove of the rotation unit.
一设置于转动单元凹 槽中的推动单元，该推动单元上具有一长孔；
High pressure ring-shaped DTH drills are key equipment for underground high level large diameter long hole mining.
高气压环形潜孔钻机是地下矿山高阶段大直径深孔采矿的关键设备。
The test results indicate that long hole blasting in the crossing hole can improve the suction quantity of firedamp effectively.
理论研究和试验都表明 ，采用爆破方法可以增加瓦斯?。
The modelling experiment has shown that the procedures are practicable, the reasonable values of the time interval for long hole m…
根据生产实验结果提出了东鞍山矿微差爆破适宜间隔时间的数值。
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。
In view of long hole section, milt-point, disconnected channels of Xing 1~3 block in Daqing oilfield, proposed countermeasure for detect and treatment channels outside tube.
针对大庆油田杏1~3区乙块三次加密试验区大段、多点、不连续窜槽井问题，提出了相应的管外窜槽检测及治理对策。
The principle of increasing gas emission rate by long hole blasting in the crossing hole is discussed. The radius cracked zone in coal seam caused by long hole blasting is calculated.
简要论述了深孔爆破提高瓦斯抽放的机理，以煤体中柱状装药爆炸后的裂隙圈半径进行了计算。
The sleeve is a hollow cylindrical sleeve; reinforced hoops are respectively arranged on the upper end and lower end of the sleeve; a vertical waist-shaped long hole is arranged on the sleeve.
所述的套筒为一空心圆柱形筒，套筒的上、下两端分别设有加强箍，套筒上设置有纵向的腰形长孔。
The push unit is further provided with a cover which is covering the capacity area. One side of the covering body is arranged with a movable mandrel which passes through the push unit's long hole.
以及一封盖于容置区的盖体，该盖体的一面具有一活动穿设于推动单元所设长孔中的心轴。
And trying to fill up the hole we feel - with relationships, food, busyness - is rarely successful for too long.
而想要用恋爱、食物、忙碌来填补我们感觉到的空洞也很少能长时间有用。
The hole plays downhill and downwind so is not as long as it looks.
这个球洞位置在山下，而且处在下风位置，距离并未显得十分遥远。
I know it's hard to fill the hole that occurred as a consequence of you losing folks who you had worked with for so long.
我知道要弥补失去共事很久的同伴所带来的悲痛是很困难的。
Astronomers have long thought that a black hole ought to be surrounded by a torus of dust and gas.
天文学家长期认为黑洞应该是由一环尘埃和气体包围着的。
The euro area is falling into such a deep hole that the recovery, when it eventually comes, will be a long, hard journey.
欧元区经济陷入深渊，未来的复苏将是个长期而又艰难的过程。
Any waves from this particular black hole merger have long past Earth, Miller said. But since galactic mergers are not unusual in the universe, black hole mergers are probably not either.
Miller说，来自于这种融合黑洞的任何形式的波早就与地球擦肩而过，但由于星系融合在宇宙中并不少见，因此黑洞融合也不足为奇。
He sat down next to the hole, placed his long beautiful black tail in the icy water and turned his back.
它坐了下来，把漂亮的尾巴伸进冰冷的水里。
When logging or general overhaul for long time, mud density must BE raised to E. C. D. for stable of hole.
在电测或长时间停钻检修设备时，将泥浆密度提高到循环时的当量泥浆密度范围。
The finding helps resolve a long-standing mystery: why is the Milky Way's black hole so quiescent?
这有助于解决一个长期以来的疑问：为什么银河系的黑洞如此的安静？
Where I found the glass aerolite was a sink hole long ago and it was fulfilled with outside materials through long long term.
我发现玻璃陨石卵石的地方就是一个古老的地下洞穴，后来被冲积物填平了。
Tiger Woods tries long putt on the 18th hole, he started on the Back 9.
泰格·伍茨第18洞长打入穴，他是从后9洞开始比赛的。
Long spiral hole pump pressure CFG (Cement Flyash Gravel) pile construction technology has such advantages as small noise, quick construction rate and low construction price.
长螺旋钻孔管内泵压CFG桩成桩混合材料施工方法，具有施工噪音低，成桩速度快，工程造价较低等特点。
Read through these lessons, and you will see that there is enough instructuion for you to go a long way with the 10 hole harmonica.
通读一下这些教程，你会发现这些足够学习10孔口琴一阵子的啦。
When I arrived at the site in June most of the20or so surviving beluga whales each at least12feet long were clustered near a hole that measured about10feet by16.
当我6月份到达那个地方时，20几头幸存的白鲸——每头都至少有12英尺长——大都聚在一个16英尺长10英尺宽的冰窟窿旁。
A longitudinal hole extends through the spindle so that long bar stock can be fed through it.
主轴中有一个贯穿全长的通孔，长棒料可以通过该孔送料。
A new way for maching of long taper hole on universal lathe is discussed, which could ensure machining quality, heighten productivity and gain good result.
探讨出一种在普通车床上加工锥度长圆孔的新途径，既保证了产品质量又提高了生产效率，取得了良好的效果。
The paper introduces a new technology of CFG pile-pressure grouting of long helical drilling hole, and analyses design, service scope and development trend of CFG pile.
介绍了CFG桩的一种新的成桩工艺——长螺旋钻孔压力灌浆法，对CFG桩的设计、使用范围和发展趋势作了分析。
The paper introduces a new technology of CFG pile-pressure grouting of long helical drilling hole, and analyses design, service scope and development trend of CFG pile.
介绍了CFG桩的一种新的成桩工艺——长螺旋钻孔压力灌浆法，对CFG桩的设计、使用范围和发展趋势作了分析。
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