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- STUDY ON COAL RELATED GAS IN AREA ROUND CHANGCHUN 长春外围地区煤成气研究
- "coal related gas source" of natural gas hydrate “煤型气源”天然气水合物
- coal related gas 煤型气
- Gas well productivity is important is an important method for determination of ripen flow potential and working system, prediction of prediction performance and study of related gas reservoir engineering. 摘要气井产能评价是确定无阻流量和工作制度、预测生产动态及其它气藏工程研究的重要手段。
- Based on the investigation to the research history of coal related oil in the world, it is pointed out that not only sapropelic coal can generate oil but also the oil can form coal related oil fields. 本文通过对世界煤成油研究史的考察，指出了腐泥煤不但能生油，而且生成的油能形成煤成油田；
- Besides coal, the most important natural fuel are gas and oil. 除了煤，最重要的天然燃料是煤气和石油。
- 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。
- 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。
- It's more economical to use gas than coal. 烧煤气比烧煤上算。
- Pile on more coal the fire is going out. 火快灭了，再加上些煤。
- Concentrations of Aerosol and Related Gases in Beijing 北京大气气溶胶部分无机组分及相关气体的浓度变化
