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The structure is regular and lack the flexibility, the floor space is relatively large.
结构固定，缺乏灵活性，占地面积较大。
youdao
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Transmission tower is a large structure of space truss.
输电铁塔是大型空问桁架结构。
youdao
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Transmission tower is a large structure of space truss.
输电铁塔是大型空问桁架结构。
youdao