双色球蓝球走势图

风电叶片“大”时代已至

发布时间: 2019-11-14   来源:中国能源报  作者:本站编辑

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  叶片呈大型化轻量化趋势

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  叶片大型化面临诸多制约

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  精细化设计才能降成本

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      关键词: 风电,叶片

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