The paper introduced shallow hole shrinkage stoping method that has been used in Baoziwan Gold Mine for many years.
叙述了堡子湾金矿多年来应用浅孔留矿采矿法的生产实践以及对采切工程的改进。
The current shallow hole drill rigs can't meet the desire of shallow hole drilling and sampling in difficultily entered area and dry area.
本钻机吸取了国内外轻便钻机的结构型式特点,结合作业环境和取样要求,设计出一种振动冲击式、轻型的、易拆装、方便搬迁的新型轻便浅孔钻机。
A small mountain spring ran tinkling down the narrow stone crevices. Many years passed. An egg-sized shallow hole was washed out on the rock.
一股细细的山泉沿着窄窄的石缝叮叮咚咚往下流淌,也不知道过了多少年,竟然在岩石上冲刷出一个鸡蛋大小的浅坑。
The design and implementation of shallow hole smooth blasting and springing blasting in complicated circumstances are introduced on the basis of field test.
结合工程实践,介绍在复杂条件下,进行浅眼光面爆破与药壶控制爆破相接合的设计与施工经验。
The effective measures to control the vibration and fly rocks were adopted to successfully perform the application of large hole in shallow hole controlled blasting.
采用有效措施,对震动和飞石进行了控制,成功地完成了大孔在浅孔控制爆破中的应。
The hanging wall ore of the open-pit is one of important projects in transition from open pit to underground in Daye iron mine, and the shallow hole shrinkage mining method is adopted in the project.
大冶铁矿露天采场挂帮矿是该矿山露天转地下项目的重要工程,采用浅孔留矿法进行开采。
This hole was always full of water, and the drivers of the cars could not see how deep the hole was. They thought it was probably shallow.
这个洞是始终充满水,司机无法看到有多深。他们认为它可能很浅。
This hole was always full of water, and the drivers of the cars could not see how deep the hole was. They thought it was probably shallow.
这个坑里总是积满了水。从表面上看,汽车司机根本辨认不出坑的深浅,他们会认为是一个很浅的坑。
The successful development of this drilling machine provided reliable safety equipment for drilling shallow engineering hole such as outburst-prevention holes and flank holes in coal mine.
钻机的研制成功为煤矿实施防突孔和校检孔等一些浅孔施工提供了可靠的安全装备。
General solutions of the equations are obtained, in terms of series, for shallow spherical shells and shallow circular cylindrical shells with a small circular hole.
对浅球壳和圆柱壳带一小圆孔的情况,获得了方程的级数形式通解。
The influences of damage and damage evolution on the nonlinear dynamic response and dynamic buckling for thin shallow spherical shells with circular hole are investigated.
研究损伤对开孔浅球壳非线性动力响应与动力屈曲的影响。
It analysed the feasibility and the limitation of applying mining rig and water well rig to slim hole drilling in shallow gas bearing reservoirs.
分析了矿业钻机与水井钻机用于浅层天然气小眼钻井的可行性及局限性。
This paper introduced the slim hole drilling designation and operation in shallow gas bearing reservoirs of Chuanxi area.
介绍了川西地区浅层天然气小眼井钻井设计与施工情况。
Objective To evaluate the surgical procedure for macular hole with shallow retinal detachment.
目的探讨治疗黄斑裂孔视网膜浅脱离的手术方式。
This paper used earthquake technology of shallow layer and measuring technology in single hole combining means of engineering geological A structure in Humin road .
利用浅层地震技术和深孔波速测试技术,结合工程地质勘察和地质钻孔资料对沪闵路高架桥工程场地作地基评价。
When the bore hole-top-enclosed grouting method is used to conduct high-pressure curtain grouting, shallow weathered broken rock is easy to be split, resulting in excessive grout loss.
采用孔口封闭灌浆法进行高压帷幕灌浆时,对于浅层风化破碎岩体易产生多次劈裂而流失过多浆液造成浪费。
Both common shallow-hole blasting and through-hole blasting can be used for demolition of concrete ground.
混凝土地坪的爆破拆除既可以用常规浅孔破碎法也可以用透孔法。
The paper studied the issue of low frequency in shallow parts of cross-hole seismic reflection sections using imaging principle and deduced frequency variation factor.
本文利用成像原理对井间地震反射剖面的浅部频率变低问题进行了研究,导出了频率变化因子。
This hole was always full of water, and the drivers of the cars could not see how deep the hole was. They thought it was probably shallow.
坑里总是充满了水,汽车司机根本看不出坑有多深。他们会以为很浅。
The paper also presents the size range of the recess of Hybrid Tilting Pad Bearing with annular hole shallow recess compensation.
对动静压可倾瓦轴承进行了有限元分析;同时还给出了孔式环面浅腔节流动静压可倾瓦轴承油腔尺寸的取值范围。
This hole was always full of water, and the drivers of the cars could not see how deep he hole was, They thought it was probably shallow.
坑里总是装满了水,司机们看不清水究竟有多深,他们以为很浅。
TPY-30 drilling machine is a type of shallow-hole drilling machine for exploration, it is suitable for drilling in soil, sand soil and medium harden rock drilling.
主tpy - 30型钻机是一种液压浅孔物探普查钻孔机,该机主要适用于土层,沙土层和中硬岩层中的钻进。
TPY-30 drilling machine is a type of shallow-hole drilling machine for exploration, it is suitable for drilling in soil, sand soil and medium harden rock drilling.
主tpy - 30型钻机是一种液压浅孔物探普查钻孔机,该机主要适用于土层,沙土层和中硬岩层中的钻进。
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