A.PFCK-1616 250t/h B.PFCK-1825 500t/h C.PFCK-1618 250t/h D.PFCK-1618 350t/h
A.50±5% B.50% C.70±5% D.95%以上
A.氣煤 B.長焰煤 C.焦煤 D.瘦煤