The ratio of the work roll diameter to the thickness of the strip D/h is larger than 8250; the ratio of the width of the strip to its thickness B/h is larger than 75000, thus reaching the optimal level of the same kind of mills.

• 工作辊径与带材厚度的比值D/h大于8250,带材宽度与厚度比值B/h大于75000,达到同类轧机的先进水平。