electric riveting machine [機(jī)械工程]電動(dòng)鉚接機(jī)electric riddle [機(jī)械工程]電篩機(jī)electric rice cooker n. 電鍋electric resistivity 電阻率；電弧率electric resistance strain gage [材料科學(xué)]電阻應(yīng)變計(jì)electric resistance holding furnace [經(jīng)濟(jì)學(xué)]電阻保溫爐electric resistance heater [能源科學(xué)技術(shù)]電阻加熱器electric resistance [電] 電阻electric repair shop 電氣脩理間electric regenerative braking 電磁制動(dòng)；再生制動(dòng)electric refrigerator [制冷] 電冰箱electric refrigerating element [物理學(xué)]電致冷元件electric reflector radiator [經(jīng)濟(jì)學(xué)]電反射輻射器electric reduction furnace [冶金工程技術(shù)]電熱還原爐electric reciprocating saw [機(jī)械工程]電動(dòng)往複鋸electric receptacle electric razor 電動(dòng)剃刀；電動(dòng)刮衚刀electric ray [魚(yú)] 電鰩electric rammer [經(jīng)濟(jì)學(xué)]電動(dòng)擣固機(jī)electric railway traction network [交通運(yùn)輸工程]電氣化鉄道牽引網(wǎng)