屋顶发电和加热水，这是存储在大罐，然后在地板下发给热内。
The roof generates electricity and heats water, which is stored in large tanks and then circulated under the floor to heat the inside.
屋顶发电和加热水，这是存储在大罐，然后在地板下发给热内。
The roof generates electricity and heats water, which is stored in large tanks and then circulated under the floor to heat the inside.
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