The engineering support services will include logistics integration, configuration management, test and evaluation, quality assurance and installation maintenance.
该工程支持服务还包括物流整合、配置管理、测试评价、质量保证和安装维修。
2
Upgrades and other maintenance activities can also be conducted with assurance that a viable back out strategy is available.
确保有一个可行的备份策略随时可用，这样升级或其他维护活动都可以顺利完成。
3
Only from the perspective of strict production quality, in order to maximize the quality assurance engineering, not after-sale maintenance problems hidden dangers remain.