层次较多,分工细致明确,管理严密,这种特点表现于()
A.扁平结构
B.直式结构
C.格拉丘纳期理论
D.斯隆模型
参考答案:B
In relation to employment law, explain the meaning of redundancy and the rules that govern it. (10 marks)
馈线自楼顶沿墙壁入室,若使用下线梯,则下线梯可以不接地。