The playground was built directly over an old coalfield.

游乐场直接建在一片古老的煤田上。

金山词霸

This is not always true - as with the manufacture of pig iron and steel from low - grade iron ores - but it did lead to the concentration of industrial developments on the coal fields.

并非一概如此 — 例如从低级铁矿石中生产生铁和钢材的情况一但是这导致了工业发展集中在煤田上.

《用法词典》

Spontaneous combustion of coal constitutes a very serious problem in North China.

中国北方煤田煤层自燃现象非常严重.

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The Permian in Huainan coalfield is a set of deltaic coastal deposition.

淮南煤田二叠系是以三角洲—滨岸平原相为主的沉积.

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The water - inrush possibility during mining depth coal layer is assessed.

评价了肥城煤田深部开采底板突水的可能性.

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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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Survey of XiShan coalfield geology, analyze coalform, improve of geology exploration means.

西山煤田地质概况, 成煤模式分析,煤田地质勘探方法的改进.

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Supervision mechanism is gradually introduced into coal geological exploration.

煤田地质勘探工程正逐步引进监理工作制.

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There is plentiful coal bed gas resource in JiXi Coaifield.

鸡西煤田赋存丰富的煤成气资源.

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Coal spontaneous combustion is one of disaster in Yima coalfield.

煤炭自燃是义马煤田主要灾害之一.

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There used to be igneous intrusions into coal measures and overlying strata in the Hanxing coalfield.

邯邢煤田煤系及其上覆地层中常有岩浆岩侵入体穿插.

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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 technology in further developing diamond wire line core drilling techniques in Huanglong Coalfield also forecasted.

展望了黄陇煤田发展金刚石绳索取心工艺技术.

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On a global scale, there are many coalfields suffered from spontaneous combustion of coal seam problems.

在全球范围内, 许多煤田都存在煤层自燃问题.

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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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