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- Coal and oil are natural products. 煤和石油是天然物产。
- Coal and maceral 煤岩及显微组分
- 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。
- 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。
- The permeability of the coal reservoir depends on the pore-fracture system of the coal reservoir, and the pore-fracture system of the coal reservoir depends on coal rank, coal lithotypes and maceral. 对一个特定的煤层气田而言,煤级变化不大或者规律明显。煤岩成分往往成为控制煤储层渗透率分布不均性的主导因素。煤岩成分,包括有机显微组分和矿物质均受控于煤相。
- Coal and coke maceral, reflectance of coal vitrinite and coke pore structure, etc. are measured by means of image analysis system. 利用图像分析系统,测定煤焦岩相分析中的煤焦显微组分、煤镜质组反射率和焦炭气孔结构等。
- It reminds us of candied cherries and macerated fruits. 令人回味起糖渍草莓和浸渍果香。
- 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。
- Linear regression method was used to analyse the effects of maceral and rank on morphology of coal and corresponding char. 本文用多元回归方法，分析煤岩相组分和煤阶对煤及相对应煤焦表面形态的影响。
- The kinetics of sulfide gas evolution curve of NX8 coal and its maceral concentrates on the fixed bed carbonization were also investigated. 同时对NX8原煤及其担载添加剂煤样，在固定床干馏过程中硫化物析出曲线进行动力学处理。
- 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。
