建筑工程中后张有粘结预应力混凝土梁的施工技术_建筑工程管理论文 关键词：预应力筋，波纹管，张拉，灌浆，施工技术 [gap=239]Keywords: tendons, the corrugated pipe, tension, grouting, construction technology
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HDPE double-wall the corrugated pipe HDPE双壁波纹管
Embed the corrugated pipe 预埋波纹管
The corrugated pipe has the advantages of uneasy leakage, good security and high strength.
本实用新型不易泄漏安全性好、强度高。
The group is specialized production instruments, wire and cable, the corrugated pipe, mould, drawing mould etc.
本集团专业生产仪器仪表，电线电缆，波纹管，模具，拉丝模等。
To sum up, the mechanical service life of the corrugated pipe provided by the utility model is greatly prolonged.
综上，本实用新型波纹管的机械寿命得到了大幅度 的提高。
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