煤田的例句（煤田在句子中的用法）

• 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.
• 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.
• 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.
• 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.
• 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.
• Resinite is a rich n 1 aceral in Teriary humic coal, boghead - cannel coal and oil shale fromHuangxian Coalfield. 黄县煤田第三纪腐殖煤 、 藻烛煤、油页岩显微组分富含树脂体.
• The park lies on top of a coalfield. 公园位于一片煤田上。