在执行管道项目的过程中管道分承包商提出对某种材料升级而不改变项目进度计划或成本在此项改变得到批准后该更改最好在何处记录在案 ()
下面哪一项不是影响项目成本的因素()
分配应急储备,准备替代方案和变更项目范围是以下什么的例子 ()
ur company has an emergency and needs contracted work done as soon as possible.Under these circumstance,which of the following would be the MOST helpful to add to the contract?
平衡线形图balance chart最常用于()