轧钢方面这段话是什么意思？

sadhushao

We evaluated surface imprinting of a dull roll after 80m of rolling considering the
initial roll microwear. The work roll surfaces were dull-finished by either electric-discharged machining or shot blasting. Hereafter, these work rolls are referred to as the electric-discharged dull roll (ED roll) and the shot-dull roll (SDroll), respectively.

南柯梦

我们需要考虑辊的初始的微笑痕迹来评估一根80m长无光泽的辊的表面印痕，通过电 - 放电加工或抛丸工作辊表面变得无光泽采。在下文中，这些工作辊被分别称为电放电的沉闷的轧辊（ ED辊）和射击光辊（ SDroll ）