The paper mainly deals with the analysis and design of coal sales management system of YuanBaoShan open pit coal mine.

本文主要对元宝山露天煤矿煤炭销售管理系统进行了分析及设计。

youdao

Geological data treatment is a part of the soft ware package for optimization of short-term plans in open pit coal mines.

地质处理是为露天煤矿研制的短期生产计划优化软件包的一部分。

youdao

We have analysed the geological hydrology state of Lingquan open-pit coal mine, and proposed the coal extraction scheme of this mine F4 shear-zone coal wall.

分析了灵泉露天煤矿地质水文状况，提出了该矿f 4断层带煤壁回采方案。

youdao

The pit produced coal for more than 100 years.

BBC: Maltby deep coal mine set to close

There will be an exciting programme where you will visit key attractions within Blaenavon Industrial Landscape such as Big Pit National Coal Museum, Blaenavon Ironworks, visit the industrial landscape, and the Blaenavon World Heritage Centre.

UNESCO: 2015 UNESCO UK World Heritage Youth Summit Conference

Operations at the open coal pit continued, and the company got slapped with a tax fine.

FORBES: Power Putsch