写出MAX接装机切割圆刀的最佳研磨刀刃的宽度是多少？
参考答案：
最佳研磨刀刃的宽度是1.5—2mm之间；砂轮盖过刀刃8—10mm。
Nine in ten parents said there were significant differences in their approach to educating their children
compared with ______ of their parents. [ ]
A. those
B one
C. both
D. that
( )是指某一组织单元直接管理下一层次的组织单元的数量。
A．管理组织
B．管理结构
C．管理跨度
D．管理层次
