The energy efficiency indexes and energy saving measure of power supply and transformation system, the energy efficiency index of the pump, wind machine, compressor and other general equipment.是什么意思_The energy efficiency indexes and energy saving measure of power supply and transformation system, the energy efficiency index of the pump, wind machine, compressor and other general equipment.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句