upgradevt.升级;提高;改善adv.向上地n.升级;上坡
Upgrade equipment设备改造
upgrade industries产业升级
upgrade and reform升级改造
upgrade of products产品更新换代
upgrade and degrade升降级
upgrade performance升档性能
Upgraded University专升本高校
Upgrade of industry产业升级
upgrade reformation升级改造
Upgrade organically有机更新