prestressed concrete cylinder pressure pipe
...预应力钢筒混凝土管材（PCCP）；聚羧酸系高性能减水剂；碱含量；粉煤灰 [gap=1302]Key words:prestressed concrete cylinder pressure pipe;polycarboxylates high performance water-reducing admixture;alkali content;fly a..
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prestressed concrete cylinder pressure pipe
预应力混凝土钢瓶压力管
以上为机器翻译结果，长、整句建议使用 人工翻译 。