您要查找的是不是：
- Critical (ultra critical) air cooled steam turbine has superiority for water saving, coal saving and enviromental protection.They will replace existing subcritical air cooled steam turbines. 摘要超（超）临界空冷汽轮机以其节水、节煤和环保的优势，将逐渐取代现有的亚临界空冷汽轮机。
- coal saving of electricity generation 发电节煤量
- Technology and popularization of firewood and coal saving Stove and Kang 省柴节煤灶炕技术及其推广
- Coal Saving Ratio Calculation for the Boiler Autocontrol Burning System 锅炉燃烧系统自动控制节煤率的计算方法
- We need to replenish our stocks of coal. 我们需要再次补充煤的储备。
- She piled on more coal before the fire go out. 在火熄灭之前她又加上些煤。
- I add the coal on the flame continuously. 我不断朝火里添加煤炭。
- They are ventilating the sap of a coal mine. 他们正在使煤矿坑道通风。
- 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。
- That coal mine is no longer worked. 那个煤矿已经不经营了。
- We have enough coal to see the winter out. 我们有足够的煤过冬。
- They eked out their coal by collecting firewood. 他们拣拾木柴以补充煤的不足。
- We had a big delivery of coal today. 今天我们收到大批订购的煤。
- Wear Mechanism And Wear Prevention of Coal Saver 电站锅炉省煤器的磨损机理与防磨途径
- Pile on more coal the fire is going out. 火快灭了，再加上些煤。
- What can we do with the bituminous coal? 这些烟煤可以用来做什么？
- A coal fell from the fire and burned the mat. 一块煤炭从火中掉出来，烧坏了地席。
- The country is rich in oil and coal. 这个国家石油和煤的资源丰富。
- The smoldering coal or ash of a dying fire. 余烬将要熄灭的火中的冒着烟的煤块或灰烬
