underground project的用法和樣例：
例句
- An integrated intelligent method for bolt-shotcrete support design in underground rock excavation is presented.
摘要提出了一種可用於岩石地下工程錨噴支護設計的人工智慧綜合設計方法。 - Wall rock is a special medium of underground engineering and its stability affects directly production and safety.
摘要圍岩是地下工程類特殊的介質，其穩定性直接影響到生產和安全。
