Total annual production of electrical energy used for light, power, heat and air-conditioning is over 2, 292,800 million kilowatt hours.是什么意思_Total annual production of electrical energy used for light, power, heat and air-conditioning is over 2, 292,800 million kilowatt hours.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句