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| 辛普莱克斯沉管灌注桩 | |||
| 辛普雷克斯桩 | |||
| 辛普拉斯桩; 简单式灌注桩边捣实边抽出外壳的混凝土灌注桩 | |||
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| 带有金属外壳的现浇混凝土桩 | |||
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Simplex pile : 2 phrases in 1 subject |
| Technology | 2 |
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