升级改造的英文

“升级改造”对应的英文单词有：

upgrading and rebuilding；upgrading and reconstruction

与升级改造相关的短语

无盘工作站的升级改造Journal of Gansu Normal Colleges

水处理厂的改造升级Upgrading Water Treatment Plants

重大技术改造升级工程major technological transformation and upgrading initiatives

飞机升级改造Aircraft Upgrades

设备改造升级服务Rebuilding