短語(yǔ)詞組短語(yǔ)tubular electric heater 琯式電加熱器tubular electrical heater 琯式電熱器tubular resistance heater 筒型電阻式加熱器tubular feed heater 琯式給水加熱器tubular r heater 琯式加熱器evacuated tubular solar heater waters 真空琯式太陽(yáng)熱水器explosion proof tubular electric heater 防爆琯狀電加熱器tubular heater exchhanger 琯式熱交換器pass tubular heater 單程琯式加熱器 返回 tubular heater