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- 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've converted from coal to gas central heating. 我们已由燃煤改换成燃气集中供暖。
- Nylon is made from coal,water and air. 尼龙是用煤、水和空气制成的。
- He is going to make new things from coal and oil. 他打算用煤和石油制成新东西。
- synthetics from coal 煤合成物
- Apart from coal ,the most important natural fuels are gas and oil . 除了煤以外，最重要的天然燃料是天然气和石油。
- The release of hydrogen and helium from coal universally exists. 煤中普遍存在着氢气氦气的释放。
- Apart from coal , the most important natural fuels are gas and oil . 除了煤以外，最重要的天然燃料是天然气和石油。
- The experiments are done to develop globular activated carbon from coal pitch. 摘要通过实验研究，利用煤沥青研制球形活性炭。
- The light and heat energy from coal comes from the sun in a roundabout way. 煤所产生的光能和热能间接地来自太阳。
- This paper overviews some new progress of the study on o il from coal. 综述了煤造石油的研究进展。
- Well, there are other ways to make gasoline, like making it from coal. 当然，这里有其他方式去制造汽油，例如使用煤炭去做。
- A triester was synthetized from maleopimaric acid and 2-ethylhexanol. 用马来海松酸酐和2-乙基己醇合成三酯。
- The light and heat energy from coal also comes from the sun in a roundabout way. 煤所产生的光能和热能也间接地来自太阳。
- The dextrorotatory form of glucose is found naturally in animal and plant tissue and derived synthetically from starch. 右旋糖葡萄糖的右旋形式，在动、植物组织中自然存在并可由淀粉人工合成。
- The grouting reconstruction technique of lower confining bed can be used to control the water hazard from coal floor. 摘要煤层底板含水层注浆改造技术可以彻底根治底板水害。
- Customers and coal trading enterprises in coal marketing areas shall have the right to buy coal directly from coal mining enterprises. 煤炭用户和煤炭销区的煤炭经营企业有权直接从煤矿企业购进煤炭。
- Gas can be produced from coal. 从煤里可以产生煤气。
- A crystalline hydrocarbon, C14H10, extracted from coal tar and used in the manufacture of dyes and organic chemicals. 蒽一种晶体碳水化合物，C14H10，从焦煤中提取，用于制造染料和有机化学物品
