n.电门设备,开关设备 a contrivance for cutting curved shapes: 可作曲线切削的用具a skilful contrivance is divulged: 玄还漏contrivance for lifting bevels: 折角工具food procuring contrivance: 摄食适应the contrivance of an effective method: 一种实用方法的产生下载手机词典可随时随地查词查翻译