Haemorrhoid, external piles possibility is very large.

痔疮，外痔可能性很大。

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Based on the example of an engineering work, the experience of application of fender piles for antifloating and external wall form work of underground building was introduced.

本文结合一工程实例，介绍了围护桩兼作地下程抗浮和外墙模板的经验，实践证明效果良好。

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