prestressed tensioning equipment的意思|示意
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预应力张拉设备
prestressed tensioning equipment的网络常见释义
张拉设备 ...与word免费下载 关键词：预应力材料；张拉设备；预应力钢筋；混凝土浇筑 [gap=518]Key words: prestressed tensioning equipment; materials; reinforced; concrete pouring ...