单项选择题
A.9 B.10 C.11 D.12
A.PFCK-1616 250t/h B.PFCK-1616 350t/h C.PFCK-1618 250t/h D.PFCK-1618 350t/h
A.煤的水分过大 B.煤料太细 C.煤的粘度过大 D.配煤比执行不准确
A.瘦-焦-肥-气 B.瘦-肥-气-焦 C.气-肥-焦-瘦 D.气-瘦-焦-肥
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