名词短语
中文翻译：通过内窥镜检查混凝土钻孔孔洞同义词
同义词：
['concrete core inspection', 'concrete core hole inspection']
例句：
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1. The engineer used an endoscope to inspect the concrete coring hole.
工程师使用内窥镜检查混凝土钻孔。
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2. The construction company conducted a concrete coring hole inspection before starting the project.
在开始项目之前，建筑公司进行了混凝土钻孔检查。
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3. The engineer found that the concrete coring hole was not properly sealed, which could lead to leaks.
工程师发现混凝土钻孔没有正确密封，可能会导致泄漏。