Leveles莱韦莱什leveln.数量；等级；水平；水平线adj.平的；等高的v.弄平；夷平；对准adv.<废>水平地level-off altitude改平高度; 拉平高度level control survey平面控制测量level sth against sb控告levels of processing加工水平level of water using用水水平level of performance业绩水平level measurement set电平测量设备level against someone对某人提出level control station电平调整台level transfer nozzel液位传送器喷嘴