electric dental chair 电动牙科椅
electric dental engine 牙科电钻
electric diagnosis 电（反应）诊断法
electric drill 电钻
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electric drill car 电钻车
electric eel 电鳗
electric element 电池
electric filament lamp 白炽灯
electric flat iron 电熨斗
electric flux 电焊剂
electric furnace 电炉
electric fuse 电熔丝，保险丝
electric gypsum cutter 电动石膏剪
electric hearing aid 电助听器
electric heater 电热器