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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
- 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。
- 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。
- It's more economical to use gas than coal. 烧煤气比烧煤上算。
- 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。
- 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
- 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？
- Coal will be replaced by gas sooner or later. 煤迟早将被煤气来代替。
