您要查找的是不是：
- Northeast region as a major coal-fired power generation, lignite coal price by the contract price, a greater impact. 作为东北地区主要的发电用煤，褐煤价格受电煤合同价影响较大。
- The total heats of coal's pyrolysis reactions are thermopositive.The differential thermal curve of the lignite coal is similar to that of the bit... 褐煤与烟煤的差热曲线相近，其特点是有两个热解放热峰。
- In this research,the bioconvesion products have been obtained through the apptication of cultivation fungis to the lignite coal pre-treated with nitric acid. 本项研究通过培育微生物菌种,作用于经硝酸处理的褐煤样,得到煤生物转化产物。
- Research of Reasonable Top-Coal Thickness for Lignitous Coal Deposits in Dayan Mining Area 大雁矿区褐煤层综放开采合理顶煤厚度的研究
- Keywords low metamorphic lignitous coal;top coal caving;thickness of coal slice;simulation test; 关键词低变质褐煤;放顶煤;分层厚度;相似模拟试验;
- 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。
- 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
