我们的计划需要数以百万记的风力涡轮机，抽水机和太阳能装置。
Our plan calls for millions of wind turbines, water machines and solar installations.
去年十月，艾文帕电厂破土动工，它将是世界上最大的太阳能装置之一。
Ground was broken on the Ivanpah power plant, which is to be one of the biggest solar installations in the world, last October.
保持太阳能电池板的洁净是安装太阳能装置的公司遇到的主要难题。
Keeping them clean is a major headache for the companies deploying the installations.
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