coal-mining的例句（coal-mining在句子中的用法）

• The fire will keep in if you add coal into it from time to time. 不时添点煤, 火就不会熄。
• Every tonne of coal contains,on average,30 kilograms of nitrogen. 每吨煤平均含30公斤氮。
• There is plenty of coal in this area. 这个地区有丰富的煤。
• He was trained there as a mining engineer. 他在那里被培养成一名采矿工程师。
• The coal industry is running down. 煤矿业正在逐渐走下坡路。
• The coal miners have come out for about two weeks. 煤矿工人已罢工约两周了。
• The black stove, stoked with coal and firewood, glows like a lighted pumpkin. 黑色烤炉里塞了炭和柴火，燃烧得像一个发光的南瓜。
• Stocks of coal are running low. 储备的煤越来越少了。
• We used 10 tons of coal last winter. 去年冬天我们用了10吨煤。
• They are mining for coal. 他们在开采煤矿。
• mining iron ore locally 在当地开采铁矿
• dross coal 渣煤, 不粘(结性)煤
• coal conglomerate 煤砾岩
• A coal fell from the fire and burned the carpet. 一块煤从火炉上掉了下来, 烧着了地毯。
• Put some more coal on the fire. 再往火里加点煤。
• to block coal 使煤成块
• Factors affected coal seam permeability change and its law is analyzed. 分析了煤层透气性变化的影响因素及变化规律.
• Coal Mine, its coal seam is easily spontaneous fire. 大雁二矿煤种为褐煤, 属易自燃发火煤层.
• There are extensive coal deposits in the U.S.S.R. 苏联的煤的储藏很丰富.
• They banked out the coal in default of means for removing it. 他们因缺少搬运工具而把开出的煤堆起来.