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- We need to replenish our stocks of coal. 我们需要再次补充煤的储备。
- Prohibition was laid on the export of coal. 禁止煤炭输出。
- He put a shovel of coal on to the fire. 他往火炉里加了一铲煤。
- We had a big delivery of coal today. 今天我们收到大批订购的煤。
- The country is short of known deposits of coal. 这个国家缺少已知的煤矿矿床。
- An inexhaustible supply of coal. 用之不竭的煤炭供应
- China has a wealth of coal, iron and other minerals. 中国有丰富的煤、铁和其它矿产资源。
- The oven holds sufficient heat to fire up a fresh charge of coal. 炉里有足够的热量使新加进的煤燃烧起来。
- hydrogasification of coal 煤氢气化
- We are talking about the ignitability of coal. 我们在谈论有关煤炭之可燃性。
- The uses of coal are by no means limited to those. 煤的用途何止那一些。
- This seam of coal reposes on a layer of clay. 这个煤层处于一层黏土岩之上。
- Our stock of coal has not renewed yet. 我们的煤炭储存量还没有补充过。
- They use half a ton of coal every week. 他们每周消耗半吨煤。
- The yearly output of coal was quartered in a year. 煤炭年产量一年中减少到原来的四分之一。
- Most large steamships now burn oil instead of coal. 现在多数的大轮船都烧油而不烧煤。
- The factory is running short of supplies of coal. 这个工厂煤储备不足。
- Have we got enough supplies of coal? 我们贮存的煤够用吗？
- This mine only contains a small amount of coal. 这个矿仅蕴藏少量的煤。
- hydrogasification of pretreated coal 煤加氢气化预处理
