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- coal and strata combination 煤、岩层组合
- Coal and oil are natural products. 煤和石油是天然物产。
- Man can make heat by burning wood,coal and gas. 人可以用燃烧柴，煤，煤气的办法产生热量。
- Wood, coal and oil are different kinds of fuel. 木头、煤炭和石油是不同类型的燃料。
- He is going to make new things from coal and oil. 他打算用煤和石油制成新东西。
- Liaoning abounds in coal and iron. 辽宁盛产煤和铁。
- That area is rich in coal and oil. 那个地区盛产煤和石油。
- Nylon is made from air, coal and water. 尼龙是由空气、煤和水合成的。
- Man can make heat by burning wood , coal and gas. 人可以用燃烧柴，煤，煤气的办法产生热量。
- Man can make heat by burning wood, coal and gas. 人可以用燃烧柴，煤，煤气的办法产生热量。
- Last, the way of series of strata combination is not reasonable, which makes it difficult to develop thin-bed and thin-interbed. 层系组合不合理,使薄差油层聚驱很难动用。
- Nylon is made from air,coal and water. 尼龙是由空气,煤和水加工制成的。
- Wecan run trains and machines with coal and oil. 我们在很多方面用煤和石油。
- We combust coal and other fossil fuels. 我们使用煤碳及其他化石燃料做燃料。
- Coal geology emphatically studies always stratigraphy and sedimentology of coal and coal-bearing strata. 煤地质学一直偏重于对煤和含煤地层的地层学和沉积学的研究。
- The gas and petrol are examples of secondary fuels by which coal and oil may be more effectively used. 焦炭，煤气和汽油是更加有效地利用煤和石油的第二级燃料的范例。
- The granite and strata with high Au abundance have been considered to the source of gold by many geologists. 摘要许多研究者认为，金丰度高的花岗岩和地层就是金矿床的矿源岩和矿源层。
- The country has a great deal of oil, coal and natural gas. 这个国家有大量的石油、煤炭和天然。
- We also supply blind coal and soft coal from China and Indonesia. 煤炭产品主要是无烟煤与有烟煤等。
