“tunnel excavation”的概念、定义、翻译、参考文献-科学参考

单词	tunnel excavation
释义	tunnel excavation Encyclopedia 工学岩石工程开挖释 tunnel excavation隧道开挖破碎岩石而形成隧道的工程活动。工学隧洞开挖释 tunnel excavation隧洞开挖置于地下岩石或土体中用于交通、输水或其他用途工程的建筑物的开挖工程。
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