upgradevt.升级;提高;改善adv.向上地n.升级;上坡
upgrade and reformation升级改造
upgrade telephone number电话号码升位
upgrades in capabilities能力的提升
upgrade of manufacturing制造业升级
Upgrade Navigator settings升级导航器设置
upgrade and update products使产品升级换代
upgrade diplomatic relations外交关系升格
upgrade existing enterprises改善现有企业
upgrade and optimize approach升级优化途径
upgrade the quality of police提升民警素质