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v5 Chapter 19 weather weapon
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... Yizhe raised his brows and said.
"Of course, if you don't study hard, how can you keep up with your footsteps." Song Feier said, and then analyzed, "Take the cooling air conditioner as a distance, the heat pump input power is 1500W and can produce 6000W of heat at the same time, if the device you invented really It can absorb energy from the air, that is to say, if the efficiency of absorbing energy can reach more than 25%, can this heat pump operate independently? No power supply, only ...
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