热退火酸洗线开卷机钢卷对中控制主要功能为自动带钢对中,其CPC纠偏精度为()mm。
参考答案:±5
______ you work, ______ you will perform in the future. [ ]
A. hard; well
B. Harder; better
C. The hardest; the best
D. The harder; the better
隋唐中原镇墓俑的分期与特征。