A.3.0t B.4.0t C.5.0t D.6.0t
A.75~90℃ B.90~150℃ C.150~160℃ D.〉200℃
A.50mm B.60mm C.70mm D.80mm
A.保持不变 B.明显上升 C.明显下降
A.能继续放渣 B.不能继续放渣 C.均可以
