upwardsadv.往上；向上地；以上upwardadj.向上的；上升的adv.向上；上升upward-looking sonar buoys仰视声纳浮标upward system of ventilation向上通风系统upward-looking bowl sundial仰釜日晷upward-looking echo sounder上视回声探测仪upward sublevel filling method上向分段充填采矿法upward cut-and-fill mining上向分层采矿upward diffusion cloud chamber向上扩散云室upward oblique unwatering hole仰斜疏干孔upward revaluation of currency货币升值upward displacement ventilation上置置换通风