The method and result of using thermocouple to measure temperature of blast holes are introduced in this paper.
本文介绍应用热电偶测量炮孔温度的方法与结果。
May operate air-track, rotary, down-the-hole or other drilling machines to drill blast holes or may direct drilling of blast holes.
操作空气运作轨道，旋转，向下钻孔机或其他钻探机钻爆破洞或直接钻爆破洞。
The quantity of explosives and the blast-hole spacing are dependent upon the type and structure of the rock and the diameter and depth of the blast holes.
用药量和炮眼间距取决于岩石的范例和布局以及炮眼的直径和深度。
Drill rig and its accessory tools were developed to meet the technical requirements of drilling Geo physical blast holes in soil and rock among mountainous and hilly area in China.
为满足我国山地丘陵地区物探爆破孔施工技术的要求，研究适合土层、岩层钻进用的钻机及工具，对钻机的配套设备进行了开发研究。
Drillers in this unit group operate mobile drilling machines to bore blast holes in open-pit mines and quarries and to bore holes for blasting and for building foundations at construction sites.
该项中的钻探工人操作移动钻孔机实施露天矿和采石场的钻孔爆破以及建筑工地的建筑物基础设施的爆破工作。
A blast round consists of cut, relief, breast, and trim holes.
一个爆破炮眼组包括掏槽眼、辅助眼、压眼和边界眼。
To investigate the parameters of parallel cut blast without empty holes, an advanced numerical method is used to study the explosion effect of charge in hole perpendicular to a free surface.
为了考查无空孔直眼掏槽爆破参数，采用数值模拟方法研究单自由面垂直炮孔的爆炸作用问题。
The invention belongs to the technical field of separation work and discloses a method for controlling a dedusting system of tapping holes of a blast furnace.
本发明属于分离作业技术领域，公开了一种高炉出铁口除尘系统控制方法。
The tap hole gun mud made by our factory features high plasticity, fast drying and easy reopening and is now widely used in tap holes of large and medium blast furnaces at home.
我厂生产的出铁口炮泥具有塑性高，干结快，再次开口容易等特点；目前广泛用于国内大中型高炉出铁口。
The traditional deep-hole blasting for tunnels USES pure clay to stem the blast-holes. The efficient energy availability of explosive is not high and the specific explosive consumption is large.
传统的隧道深孔爆破采用纯炮泥堵塞炮眼，炸药的有效能量利用率不高，炸药单耗量大。
The traditional deep-hole blasting for tunnels USES pure clay to stem the blast-holes. The efficient energy availability of explosive is not high and the specific explosive consumption is large.
传统的隧道深孔爆破采用纯炮泥堵塞炮眼，炸药的有效能量利用率不高，炸药单耗量大。
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