1.
Research and Application of Shaft Operation Control System
矿井作业流程操作控制系统研究与应用
2.
Study on Orientation Evaluation for Gas Explosion in Mine Workplace;
矿井作业场所瓦斯爆炸倾向性评价的研究
3.
Research on Location Technology of Miners Based on Secure Partitioning
基于安全分区的矿井作业人员定位技术研究
4.
The Simple Study of Rapid Construction of Auxiliary Shaft in EightBao Coal Mine
八宝煤矿副井井筒快速施工作业浅析
5.
A worker employed inside a pit in various industrial operations, as in a coal mine.
矿工被雇在不同工业作业区的矿井内工作的人，如煤矿工人
6.
Hygienic standard for environmental meteorology in underground workplace of coal mine.
煤矿井下采掘作业地点气象条件卫生标准.
7.
The State shall take special protective measures for miners working in underground coal mines.
国家对煤矿井下作业的职工采取特殊保护措施。
8.
A vertical, sloping passageway made in the earth for finding or mining ore and ventilating underground excavations.
竖井地面下一竖直、倾斜的走道，用于探矿或采矿及地下作业的通风
9.
work - over equipment for oil and gas wells
油气井井下作业设备
10.
Applications ofTop-down Construction of Basement Terrace in Heapstead to Parallel Working of Mine Construction and Civil Engineering
井口房地下室平台“逆作法”施工在矿建、土建平行作业中的应用
11.
Underground Work Personnel's Administrative System Operation Principle and Application of the Colliery
煤矿井下作业人员管理系统工作原理及应用探讨
12.
at the top of the shaft there is usually a structure called a headframe. It contains some of the machinery necessary for mining operation.
在井筒顶部通常都有一个叫作井架的建筑，其上装有一些采矿作业所需要的机械设备。
13.
laborer who works in a mine.
在矿山或矿井工作的劳工。
14.
Study on the Rising Effect of Coal Mining Technology Innovation to Core Competence of Underground Coal Mine Enterprises;
采煤技术创新对井工开采煤矿企业核心竞争力的提升作用研究
15.
Investigation and Analysis of a Plateau Underground Mine(?) Working Environment and Workers
某高原地下矿山作业环境及井下工人的调查分析
16.
Incidence of Fatty Liver and Nutrition Status of Underground Miners
煤矿井下作业工人脂肪肝的发病情况及营养状况
17.
Article 44 Coal mining enterprises must provide accidental injury insurance for miners working underground and pay premiums.
第四十四条 煤矿企业必须为煤矿井下作业职工办理意外伤害保险，支付保险费。
18.
Research of Water-inrush Mechanism and Water Disaster Prevention Measures about Fengying Coal Mine of Jiaozuo Mining Area
焦作矿区冯营矿矿井突水机理与水害防治研究