The high seam drill 2000 is stainless steel construction and the cylinder rods of the 1st inner legs of the stinger and drill leg are stainless steel.
这种厚煤层钻孔机2000是不锈钢结构，钻头第一内部腿架的活塞杆和钻孔机支架都是不锈钢的。
Cavern development is the main controlling factor of high productivity and large reserves amount, while fracture development improves connectivity of seam cavern system.
溶洞发育是较高产能和较大储量规模的主控因素，而裂缝发育扩大了缝洞系统的连通性。
There are series problems exist in the existing thick seam mining technology with large dip Angle, thus cause low extraction rate, poor safety and high cost.
现有的大倾角厚煤层开采技术存在着一系列问题，从而导致煤矿回采率低，安全性差，成本高。
An integrated evaluation of coal seam fracture development in terms of coal seam breaking index and deforming coefficient to predict high permeability area.
本文采用煤层断裂破坏指数、变形系数对煤裂隙发育程度进行综合评价，来预测高渗区。
It is suggested that coal lithological types with high content vitrinites have better physical behavior conditions for coal seam gas accumulation.
提出了镜质组含量高的煤岩类型有较好的煤层气储集物性条件。
Company boss beauty seam an agent, full fill the king, true porcelain glue and other products, has a variety of colors to choose from, the launch was the general customers high praise.
公司生产的地老板美缝剂，满填王，真瓷胶等系列产品，有着丰富的颜色可供选择，一经推出就受到广大客户好评。
Fully mechanized caving mining has became mining technology of high output and efficiency in thick coal seam mining.
综采放顶煤技术已成为厚煤层开采的高产高效采煤技术。
As the soft coal seam is high gas content and low permeability. it has been difficult and key for the coal seam gas extraction.
由于松软煤层的瓦斯含气量高而透气性又极差，一直是本煤层瓦斯抽采的难点和重点。
Numerical simulation software FLAC2D is used to simulate the failure mechanism of slender coal pillars (which are of much lower width to height ratios) during high wall mining of thick seam.
对特厚煤层条件下采用螺旋钻机开采细长窄煤柱的破坏过程进行了数值模拟。
A new process of high speed seam welding with secondary rectification for double seam possesses good weld quality, high welding speed, smooth bead and low consumption features.
双缝高速次级整流缝焊是一项新工艺，具有焊接质量好、焊接速度快、焊缝表面光洁及能耗低等优点。
Under gassy coal seam condition, the full-heading development is employed. Because of the fast heading a high rate of gas emission arises.
在瓦斯含量较大的煤层采用综掘掘进巷道，由于掘进速度快，出现了瓦斯涌出量过大的现象。
The poor geological conditions that the tunnel confronts include high-pressure water, coal seam, goaf, gas, Karst and fault.
隧道穿越不良地质有：高压力水、煤层、采空区、瓦斯、岩溶、断层等。
The heating and other technical characteristics as well as procedure parameters are introduced in this paper for bicycle wheel - tyre double seam high speed welding.
介绍了自行车车圈双面双缝高速次级整流缝焊新工艺、新设备，并对其加热特点、技术要点及焊接参数等问题进行了探讨。
As one of radial horizontal drilling techniques, high pressure water jet drilling technology is capable of using mechanical or water jet apparatus to make a cavity at the selected coal seam.
高压水射流径向水平孔钻进技术是水平孔施工技术之一，它是在垂直瓦斯抽放或煤层气勘探钻孔布置机械或水力扩孔装置，对准选定的煤层部位进行扩孔。
Gas drainage in high gassy coal seam with low gas permeability is always an hard solved significant technology problem in the process of safety production.
高瓦斯低透性煤层的瓦斯抽放，一直是煤矿安全生产过程中的重大技术难题。
With site investigation and observation as well as similar material model test, the paper analyzes the surrounding rock deformation and failure characteristics of roadways in high pitched seam.
通过现场调查、观测及实验室相似材料模型实验，分析了大倾角煤层巷道围岩的变形和破坏特征。
Through the site observation, the simulation and the numerical value computation, obtained the gateway plastic area in high-pitched and critical Angle seam.
通过现场实测、相似模拟和数值计算得出了大倾角临界角煤层回采巷道塑性区的分布情况。
The technology of intelligent flaw detection is adopted in the system, realizes the inspections of high accurate welded seam automatic tracking.
采用智能化探伤技术，实现了高精度、快速焊缝自动跟踪的检测。
But high energy beam welding makes the welded seam become braze-welding when adding fill material.
但加填充材料对铍进行高能束焊接可使焊缝形成钎接焊。
Weld seam tracking technology based on vision sensor has attracted the interest of researchers, because it has access to rich and large information, high stability, and wide use, and so on.
基于视觉传感的焊缝跟踪技术具有获得信息大、可靠性高、使用广等特点，而受到研究学者的青睐。
From rock strength, the main seam roof is divided into extra-high intensity, high intensity, middle intensity, and low intensity.
从岩石强度方面把煤层顶板分成强度特高型、强度高型、强度中等和强度低型。
The main technology to realize high production and high efficiency in abroad is fully mechanized long-wall mining for a single seam or room-and-pillar mining.
国外高产高效矿井建设是以单一煤层长壁和房柱式综合机械化为主要开采技术。
The testing results of working face coal samples and roof impact tendency indicated that the coal seam belongs to high impact tendency and has pressure bumping possibility.
工作面煤样和顶板冲击倾向性测试结果表明，该煤层属于高冲击倾向性煤层，具有发生冲击矿压的能力。
An automatic device for metal hose welding was designed based on the common latitudinal seam welder, according to the structure of high-pressure metal hose.
在普通环缝焊机的基础上，依据高压金属软管结构特点，研制了一套金属软管焊接自动化装置，主要由旋转装置、传动机构和焊接夹具组成。
This paper describes the in-situ stability monitoring of the chamber of Qingjiang Geheyan Hydrolic Power Station during excavation in shale for treating the weak seam 201 in the high slope.
本文介绍了清江隔河岩电站厂房高边坡201夹层处理时页岩中洞室开挖的稳定性监测。
The hole enlargement by high - pressure water jet provided a feasible technical way for raising gas drainage effect from coal seam in low permeability and improving the effect of outburst pre...
高压水射流扩孔为提高低透气性煤层的瓦斯抽放效果和扩大防突措施的效果提供了一个可行的技术途径。
Build under the high temperature environment welding seam defect ultrasonic shear wave checkout method, and combines theory having carried on the engineering applying.
建立高温环境下焊缝缺陷超声横波检测方法并结合理论进行了工程应用。
The paper analyzed the chemical reaction principle of the high moisture large seam fire. The paper found the composed law of the chemical reaction product components for the fire accident.
对含水量较大煤层火灾的化学反应原理进行了分析，找出了此类火灾事故化学反应生成物成分的组成规律。
The paper analyzed the chemical reaction principle of the high moisture large seam fire. The paper found the composed law of the chemical reaction product components for the fire accident.
对含水量较大煤层火灾的化学反应原理进行了分析，找出了此类火灾事故化学反应生成物成分的组成规律。
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