供应俄罗斯动力煤ARB4700卡 MOISTURE 19% ADB 5500KCAL/KG VM   49% ARB4800KCAL/KG ASH 10.9% S      0.17% HGI 50  ASH FUSION 1266 deg C size 0-50mm Mercury  0.026 ug/g fluorine 53ug/g as 2.53ug/g p 0.055% chlorine 0.008%