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来源:雅诚德英语网
My rough figuring indicates an energy savings at the stove top of several trillion B.
我的粗略估计说明在炉灶上可以节省数兆B。
My rough figuring indicates an energy savings at the stove top of several trillion B.
我的粗略估计说明在炉灶上可以节省数兆B。