基本解释外痔英汉例句双语例句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。external piles更多例句