ptc prestressed thin-walled pipe pile
...键词：带帽；PTC预应力薄壁管桩；加筋复合地基；施工技术 [gap=284]Key Words: hooded; PTC prestressed thin-walled pipe pile; reinforced composite foundation; construction technology ..
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ptc prestressed thin-walled pipe pile
PTC预应力薄壁管桩
以上为机器翻译结果，长、整句建议使用 人工翻译 。