levellyadv.水准地；不动心地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 of nesting程序的嵌套层次level difference电平差level depression水位下降level of premium平均保险费level graduation水准魄值level wound coil平绕盘管level assignment电平配置level controller电平控制器,液面调节器levelling washer校平板level distortion电平失真