艾文帕发电塔完成后将高450英尺（137米），用掉17万3千个双面定日镜
The Ivanpah Power Tower will be 450 feet (137 meters) tall when it is completed and will use more than 173, 000 dual-mirror heliostats.
本发明涉及环形件锻辗成形工艺技术，具体地说是一种风力发电塔筒法兰锻辗成形方法。
The present invention relates to ring part forging and rolling formation technology, and is especially forging and rolling process of forming flange for wind motor tower.
最后是一座2兆瓦的太阳能热气流发电塔。它能在天气晴朗时产生超过大厦自身需要的能源。
Finally, a two-megawatt solar updraft tower produces additional energy in clear weather.
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