He became ill after breathing coal dust for many years.

His face and hands were coverd with grime from the coal dust.

他的脸和双手都沾满了煤灰和污垢.

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Matthew scrubbed the coal dust from his face.

马修擦掉了脸上的煤灰。

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Air leak seriously influences coal face supersedure at second air road of Dongyi mining area.

东一采区二段风道小井漏风严重影响了采煤工作面的接续,制约采区巷道维修.

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Coal rock body electric characteristic abnormity of the mine coal face relates coal mine safety production.

矿井工作面煤岩体的电性特征异常关系到煤矿安全生产.

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The safe monitoring system on coal face is the nerve of safe production coal mine.

综采工作面的安全监测系统是煤矿生产的神经系统.

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He has worked at the coal face for eight hours.

这矿工在工作面上已经干了八小时了.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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

龙永煤田构造复杂,褶曲发育.

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The dual line to the rock field and coal field.

通往落煤昌场和舍石场的复线.

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How much coal gas can this gas tank contain?

这个煤气包能储存多少煤气?

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In order to enlarge utilization coal gas resource, tamping coking process is adopted at Nangang.

介绍了南(昌)钢公司为扩大利用焦煤资源, 采用捣固炼焦工艺.

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Linqing depression is one of the favorable areas of coal gas exploration in Shengli oilfield.

临清坳陷是胜利油区煤成气的有利探区之一.

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Coal gas is produced by the gasification of coal.

煤气是由煤的气化作用得到的.

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