您要查找的是不是：
- THE DISCUSSION ON RAW COAL COST FORECAST MODEL 原煤成本预测模型的探讨
- THE RESEARCH OF COAL COST ACCOUNTING SYSTEM 煤炭成本核算体系的研究
- comprehensive coal cost consumption rate 综合成本煤耗率
- Coal costs&4a sack. 煤的价格是每袋四镑。
- Coal costs￡4 a sack. 煤的价格是每袋四镑。
- 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。
- To strengthen control on coal cost and ask sale and management for more profit 加强煤炭成本控制向经营管理要效益
- 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。
- 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 Probe into the ways of Reducing Raw Coal Costs 降低原煤成本途径的初步探讨
- 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。
