多项选择题
A.支撑辊 B.工作辊 C.中间辊 D.板型辊
A.1.3mm B.1.4mm C.4.5mm D.0.4mm
A.310mm B.660mm C.900mm D.700mm
A.C11000 B.C19400 C.C19210 D.C10200
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