bright coal

英 [braɪt kəʊl]

美 [braɪt koʊl]

网络  光亮型煤; 光亮煤

机械

双语例句

• Modern coal chemical industry has shown a bright future by transferring its basis from coal carbonization to coal gasification.
  现代煤化工将其基础从煤的碳化转向煤的气化，从而展现了光明的前景。
• Lithotype is belonged to bright coal and semibright coal;
  煤岩类型为光亮、半亮煤；
• Through practice it is proved that the PDFL is a key technique for solving the problem in extinguishing the spontaneous fire, which has a bright future in coal mines.
  实践证明，该技术是解决煤层自燃火灾治理难题的关键技术，具有重要的推广价值。
• This paper also indicates the future technological development trends of this smelter, and presents the bright prospects of vertical retort zinc smelting based on using low cost coal as a main energy source.
  也介绍了该厂今后的技术发展趋势，展示了用廉价煤作主要能源为特点的竖罐炼锌法新的活力。
• By analyzing we can know that the Yanan Formation is mainly durain, with bright coal taking the second place.
  分析可知延安组煤层以暗煤为主，亮煤次之。