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Water gushing is common disaster in tunnel construction, and may be induced by many causes.
涌水是隧道施工中常见的灾害现象,它的形成原因是多方面的。
youdao
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Water gushing is common disaster in tunnel construction, and may be induced by many causes.
涌水是隧道施工中常见的灾害现象,它的形成原因是多方面的。
youdao