| 1. | It 's more economical to use gas than coal ..
烧煤气比烧煤上算。 |
| 2. | Most large steamships now burn oil instead of coal
现在多数的大轮船都烧油而不烧煤。 |
| 3. | When we burn coal , some of this energy is set free
当我们烧煤时，就是其中的一些化学能的释放。 |
| 4. | Conversion of your heating system from coal to gas will be costly
你把暖气系统由烧煤改造成烧瓦斯会花好多钱。 |
| 5. | A small solid cylinder of a spark - producing alloy , used in lighters to ignite the fuel
在一个烧煤的现代化发电厂内，蒸汽允许能热到足以把木头点燃起来。 |
| 6. | In a modern coal burning electric generating plant the steam may be hot enough to ignite wood
在一个烧煤的现代化发电厂内，蒸汽允许能热到足以把木头点燃起来。 |
| 7. | " in fact , old - fashioned , dirty coal burning plants could still be built during this period , and that is wrong .
事实上，在这一时期，依然可以建造老式的、脏的烧煤电厂，而这是错误的。 |
| 8. | “ in fact , old - fashioned , dirty coal burning plants could still be built during this period , and that is wrong
事实上，旧的生产方式，脏的烧煤的电厂在这个时期仍然在建造，这是错误的。 |
| 9. | Coal is still burned in clp s largest power station at castle peak and also at hong kong electric s station on lamma island
中电最大的青山发电厂和香港电灯的南丫岛发电厂依然倚赖烧煤发电。 |
| 10. | Main sources : coal , such as power plants , factories and civilian coal and other industrial processes such as : oil refineries
主要来源：燃煤，如发电厂，工厂和民用烧煤，其它工业过程如：炼油等。 |
