送交者: james_hussein_bond 于 2008-05-05, 11:47:24:
回答: 不一样。他们这个上来就提到了能源来源,与中土忽悠不同。 由 Enlighten 于 2008-05-05, 11:36:29:
Another example. Using solar energy to heat bath water at home is a much better approach than installing solar panels to generate electricity, but using gas furnaces to heat water.