[摘要]：洗煤的比重是多少?烟煤密度0.8~1g/cm3,烟煤粉密度0.4~0.7g/cm3,无烟煤(干、小)密度0.7~1.0g/cm3, 无烟煤粉密度0.84~0.89 g/cm3,褐煤密度0.6~0.8 g/c...
