upheavaln.向上的运动;剧变;动乱
updatev.更新;升级n.更新
upgrader质量改善装置, 提高质量的装置
upgradedadj.提高的;改善的动词upgrade的过去式和过去分词形式.
upgraders专升本学生
upgrade set高层集,上升集合
upgradeableadj.可升级的
upgrade kit扩充成套
Upgrade pump提升泵
Upgrade rate提升率
upgraded ore精矿
upgrade brand提升品牌