例句 /

Primary products are refined coking coal, high grade heating coal, coke, power supply and chemical products, construction materials and electromechanical equipment. etc.

Primary products are refined coking coal, high grade heating coal, coke, power supply and chemical products, construction materials and electromechanical equipment. etc.

主要产品有炼焦精煤、优质动力煤、喷吹煤、焦炭及电力、煤化工产品、建材、煤矿机电设备等。