| 1. | Methanol and its derivatives , acetylene chemical industry , coarse benzene processing , chemical fertilizers , coal tar deep processing , coal combined oil and the all - round utilization of coal bed methane and coke oven gas and so on
甲醇及衍生物、乙炔化工、粗笨加工、化肥、煤焦油深加工、煤制油以及煤层气和焦炉煤气多联产利用等。 |
