设备操作记录是了解设备运行状态的真实写照。
参考答案：对
— This summer is very hot.
— Yes, but it's not __________ as hot as last summer. [ ]
A. nearly
B. almost
C. near
D. mostly
车削铜合金，比较容易获得较小的表面粗糙度值。( )
