Suitable for cutting metal , such as structural steel refractory steel, castiron, gold, silver, copper, aluminium.用途;适合切割碳素结构钢 、 铸铁及金 、 银 、 铜 、 铝 、 等金属材料.These aluminium kettles have been marked down ten percent because ...
每年,这个煤矿都会产出5百万公吨的焦煤.It produces 5 m tonnes of coking coal a year.并在确保高炉优化用料的同时,提出了合理使用焦煤资源的有益建议.And proposed some beneficial suggestions for the reasonable using metallurgical coal resources.氨气 、 煤焦油、焦煤都是煤气生产过程中的 副产品.Amm...