tubular tower with narrow foundation的意思|示意
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管状塔，窄基础
tubular tower with narrow foundation的网络常见释义
窄基钢管塔 关键词 : 窄基钢管塔 ; L 型绝缘子串 ; 规划与设计 [gap=358]Key words: tubular tower with narrow foundation; L-shaped insulator strings; plan and design