采购文档，合同变更控制系统，支付进度表，合同管理计划。

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

youdao

采购文档，合同变更控制系统，支付系统，合同。

D. Procurement Documentation, Contract Change Control System, Payment System, Contract.

youdao

专业从事控制系统设备和传动产品资源整合，集解决方案、采购、加工、销售、售后为一体的全面整合型服务企业。

Specializing in control system equipment and transmission products, integration of resources, set solutions, procurement, processing, marketing, sale as one fully integrated service enterprises.

youdao

专业从事控制系统设备和传动产品资源整合，集解决方案、采购、加工、销售、售后为一体的全面整合型服务企业。

Specializing in control system equipment and transmission products, integration of resources, set solutions, procurement, processing, marketing, sale as one fully integrated service enterprises.

youdao