C. Procurement Documentation, Contract Change Control System, Payment Schedule, Contract Management Plan.

采购文档，合同变更控制系统，支付进度表，合同管理计划。

youdao

C. Procurement Documentation, Contract Change Control System, Payment Schedule, Contract Management Plan.

采购文档，合同变更控制系统，支付进度表，合同管理计划。

youdao