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prestressed concrete cylinder pipe
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prestressed concrete cylinder pipe
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prestressed concrete cylinder pipe
预应力钢筒混凝土管
在带钢筒的混凝土管芯上缠绕环向预应力高强钢丝,并喷涂水泥砂浆保护层而制成的新型复合管道结构。简称PCCP。
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更新时间:2025/7/3 3:51:11