节能灯energy-saving lamp
节能荧光灯energy-saving fluorescent lamp
【机械工程】节能加热器energy-saving heater
轻载节能电动机light-burden energy-saving motor
轻载节能感应电动机light-burden energy-saving inducution motor
节能泵energy-saving pump
节能save energy; energy-saving
节能电动机energy-saving motor