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在美的推出eco之后，海尔空调也增加PMV功能；格力空调润系列也宣称可低至1Hz运行，1Hz时空调功耗仅15w，美的工程师李猛当年还因此举报格力1Hz变频技术造假，格力反而起诉李猛，此事后来不了了之。The in addition symbol is employed in many methods in science. In physics and chemistr
在美的推出eco之后，海尔空调也增加PMV功能；格力空调润系列也宣称可低至1Hz运行，1Hz时空调功耗仅15w，美的工程师李猛当年还因此举报格力1Hz变频技术造假，格力反而起诉李猛，此事后来不了了之。The in addition symbol is employed in many methods in science. In physics and chemistr