名词
中文翻译：煤炭面调查
同义词：
['coal face inspection', 'coal face surveying']
例句：
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1. The companyconducted a thorough coal face survey before theconstruction began.
公司在施工开始前进行了彻底的煤炭面调查。
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2. The engineers were requiredto conduct a coal face survey to ensuresafety during the operation.
工程师们被要求进行煤炭面调查，以确保操作过程中的安全。
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3. The coal face survey revealed several issuesthat needed immediate attention.
煤炭面调查揭示了几个需要立即关注的问题。