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  3. PV cells [br] WindsaveA、generates more electricity than the Swift Rooftop Wind E

PV cells [br] WindsaveA、generates more electricity than the Swift Rooftop Wind E

游客2024-01-07  17
问题 PV cells [br] Windsave
选项 A、generates more electricity than the Swift Rooftop Wind Energy System.
B、is cheaper than the Swift Rooftop Wind Energy System.
C、pays for itself sooner than the Swift Rooftop Wind Energy System.
答案 B
解析
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