coal field

There are complex structure and fold developed in Longyong coal-field.

龙永煤田构造复杂,褶曲发育.

Rivers have been Chaheji, Dry River, River coal field, Long River.

河流有直岔河 、 旱泉河 、 煤场河 、 龙沟河.

The coal field at Ying-Ke Station , coal mines around Taipei area were delivered here to transfer.

莺歌车站集煤场.三峡,新店的煤产均集中在此待转.

In Zhunnan Jurassic coal-field, the spontaneous combustion of coal very serious, and there are long history.

准南煤田侏罗系煤层自燃严重, 火烧历史悠久.

The dual line to the rock field and coal field.

通往落煤昌场和舍石场的复线.

Coal field burning does great harm to coal exploring, pit building and mine opening-up.

煤田火烧区的存在,给勘探 、 建井、开矿均带来一定的危害.

The distribution, reserves and characteristics of anthracite from Jingxi coal field was presented in this paper.

介绍了京西煤田无烟煤分布 、 储量及煤质特征.

Through researching on coal-bearing stratum in Shuanghua coal field, the usual coal formation rules are reviewed.

通过对双桦煤田含煤地层的研究,总结出了双桦煤田的一般成煤规律.

It is important for assessing to the quality of coal correctly during coal field geological prospecting.

正确评价煤质是煤田地质勘探工作中一项极为重要的工作.

Through analysis on coal formation and system, expound the change regulation of Boli coal field.

通过对含煤建造及构造体系的分析,探讨了勃利煤田的变质规律.

The formation and harm of spontaneous combustion in coal field are generally described.

煤层自燃形成的煤田火区是煤矿区重要灾害之一.