其他种类的磁铁可以用在涡轮机上，稀土金属可以循环使用。
Other types of magnets could be used in turbines, and rare earth metals could be recycled.
我们有足够的混凝土和钢材来建设上百万的风力涡轮机，而且它们都是可循环利用的。
Enough concrete and steel exist for the millions of wind turbines, and both those commodities are fully recyclable.
它们包括先进的薄膜过滤污水处理系统、高效的太阳能照明，以及用于供电、供热和制冷的天然气联合循环涡轮机。
They include advanced, membrane-filtered wastewater treatment systems, solar-powered, high-efficiency lighting and natural gas combined-cycle turbines that will deliver power, heating and cooling.
应用推荐