当发生圆锯锯截时锯缝太宽的故障时，常采用的故障排除方法是：( )并做千分表检验。
A．磨锯片端面
B．修整锯片
C．磨锯轮外轮缘
D．刃磨齿形
参考答案：A
Many useful tools and techniques are used in developing schedule． (72) is a schedule network analysis technique that modifies the project schedule to account for limited resource．
A．PERT
B．Resource levelling
C．Schedule compression
D．Critical chain method
辊式矫直机的辊子愈多轧件矫直的愈平直。
