其次，他们正在用工业垃圾和废弃轮胎代替目前正在使用的煤炭和焦炭等矿物燃料。
Second, they are replacing fossil fuels such as coal and coke with alternatives such as farm waste or used tyres.
结合东北煤炭资源特点，分析了优化配煤结构改善焦炭质量的局限性。
In combination with the features of coal resource in the northeast area, the limitation of improving coke quality by optimizing the coal blending composition is analyzed.
采用加大铲斗，适用于装卸煤炭、焦炭等，工作效率高。
Adopting strengthened bucket, suitable for coal and coke's loading and transporting, more efficient.
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