煤矿主要负责人是瓦斯治理的第一责任人；
The main person-in-charge of a coal mine shall be the first responsible person for the gas control;
煤矿主表示需要两天才能到达矿工被困之处。
The mine's owner says it may take two days to reach the trapped men.
地下矿监，值班班长，或煤矿主管需要省级认证。
Provincial certification as an underground mine supervisor, shift boss, or coal mining supervisor may be required.
简要探讨了高压水射流清洗技术在煤矿主排水管道清洗中的应用。
In this paper the application of high pressure water jet technology in coal mine main drainage pipeline is discussed briefly.
鲍店煤矿主副井筒变形破裂，严重威胁矿井安全，经济损失巨大。
The main and auxiliary shafts in Baodian Coal mine are deformed and ruptured, threatening seriously on the mine safety and causing heavy economic losses.
煤矿主扇风机的主要功能是保证井下空气畅通新鲜，降低瓦斯浓度。
The function of the main fan in coal mine is to keep fresh air and reduce the concentration of gas.
通过对某煤矿主控楼现场动态测试分析，找出该楼异常振动的原因。
By dynamic test and study, the reason of abnormal vibration for control building is found out. By ways of changing rotate speed of enginery, the vibration of structure is reduced.
应用合理的测试及计算方法，得出了朱庄煤矿主要通风机的运行规律。
Applying with the proper methods of test and calculation, got the operation law of the main ventilator of Zhuzhuang Coal Mine.
文章浅析煤矿主变压器常见的故障，日常故障巡查方法，以及如何排除故障。
This paper briefly analyzed the common running fault of coal mining transformer. It also provides the methods that how to check the faults and how to solve the problem.
最后通过对具体实例的计算，说明了清洗煤矿主排水管道具有显著的经济效益。
Through calculation of concrete instance, it is clear that coal mine main drainage pipeline cleaning by high pressure water jet has remarkable economic benefits.
本文阐述带式输送机在煤矿主斜井提升中的应用，以及正确确定方案的注意事项。
The paper explains the application of belt conveyer for indined shaft hoisting, and points out the attention in correct deciding on a scheme.
荫营煤矿主井提升设备不能满足生产要求，因此对设备的主胶带输送装置进行改造。
The hoisting device serving the main shaft of Yinying Mine is not able to meet the need of production, so it is necessary to make reform for the main belt conveying equipment of the hoisting.
薛湖煤矿主、副井井筒井深、表土厚且膨胀性强、基岩含水层可注性差、地质条件复杂。
Xuehu coal main and subsidiary well have deep shaft, thick surface soil and strong disability, poor pourability in the hydrated grope rock and complex geology condition.
本文介绍了风光牌高压提升机变频器在煤矿主井上的应用情况，对节能效果进行了分析。
The article introduces the application instances of FengGuang high inverter in mining hoist, and energy-saving effects are analyzed.
煤矿主提升系统由于井塔的振动，无法满足安全生产的要求（尤其是在启动、停车阶段）。
The coal mine main hoisting system couldn t safe work with the vibration of the derrick (especially in starting or stopping) .
美国煤矿主要在六个州：宾夕法尼亚州、俄亥俄州、印第安那州、西维吉尼亚州和科罗拉多州。
Coal was produced mostly in six states: Pennsylvania, Ohio, Indiana, Illinois, West Virginia and Colorado. In eighteen forty, the United States had seven thousand coal miners.
近年来，煤矿主赚取了巨额财富，导致他们许多人漠视生产安全，每年致使数千人死于煤矿事故。
The huge fortunes earned by coal mine owners in recent years have encouraged many to disregard safety, resulting in thousands of deaths every year from accidents.
介绍了煤矿主通风机在线监测参数远传的多种方法，并对各种方法的适用范围作了简单的分析。
Many transmitting methods of on-line monitoring parameters of main fan in coal mine are introduced, and application scope of all methods are briefly analyzed.
介绍了滕东煤矿主井筒快速施工的设备配套情况、施工工艺、劳动组织、作业方式及管理措施。
The paper introduced the related equipments, construction technology, labor organization, operation system and management measures for the rapid construction of the mine main shaft in Tengdong Mine.
由于煤矿主井井架提升能力的增加，引起井架杆件受力增大，受迫振动频率增大，导致安全性能降低。
The safety of a main well headframe would be reduced significantly, due to increased loading capacity and higher vibration frequency in a coalmine.
介绍了临涣煤矿主井提升机电控系统的改造方案、工作原理及改造效果，经过改造后的电控系统效果良好。
The improvement plan, work principles and reform result on electric control system of main shaft hoist in Linhuan Coal Mine are introduced, and the result is fine.
山脚树煤矿主斜井带式输送机电控系统使用BSY2—36型输送机控制系统后，工作可靠，并提高了工作效益。
After using BSY2-36 type conveyor electric controlling system in Shanjiaoshu mine main incline shaft belt conveyor, it works reliable, and its working efficiency is raised.
张双楼煤矿主采煤层为7煤和9煤，两层煤之间赋存唯一一层厚硬岩层，即9煤层的直接顶也是7煤层的直接底。
The hard-and-thick strata ACTS both as the floor of coal seam No. 7 and as the roof of coal seam No. 9 in Zhangshuanglou coal Mine; and coal seam No. 9 is also hard.
系统采用无环流交-交变频控制方案、应用无速度传感器的矢量控制技术对拖动煤矿主扇风机的感应电动机进行控制。
The system is designed as circulation absent and A-A VF controlled one, in which a responsive motor driving the main ventilation fan is controlled in a vector control technology without speed sensor.
介绍了利用MFC实现煤矿主通风机性能在线监测数据的网络通讯的设计思想及其实现方法，从而达到在线网络监测的目的。
Designing and realizing methods of network communication of on_line monitoring data for main_fan in coal mine realized by MFC is introduced and the purpose of on_line network monitoring is achieved.
本文结合顾桥煤矿主井冻结段的冻结工程与凿井工程施工的成功经验，探讨了深厚冲积层冻结法凿井安全快速施工的几个问题。
Combining to the freezing and digging engineering in main shaft of Guqiao mine, the paper studied some problems for safety and fast construction in deep freezing alluvium.
阐述了哈拉沟煤矿主采煤层顶板的赋存特征，以现场监测、现场调研为手段，分析了煤层开采、护巷煤柱尺寸及地下水对煤巷顶板稳定性的影响，为今后煤巷顶板稳定性分类及合理支护提供依据。
By taking the on-site monitoring and research as a tool, the influence of coal mining, coal pillar size and underwater on the roof stability of coal roadways is analyzed.
阐述了哈拉沟煤矿主采煤层顶板的赋存特征，以现场监测、现场调研为手段，分析了煤层开采、护巷煤柱尺寸及地下水对煤巷顶板稳定性的影响，为今后煤巷顶板稳定性分类及合理支护提供依据。
By taking the on-site monitoring and research as a tool, the influence of coal mining, coal pillar size and underwater on the roof stability of coal roadways is analyzed.
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