名词
中文翻译:煤层样本
同义词:
['coal core', 'coal slice', 'coal core sample']
例句:
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1.The geologist collected a coal seam sample from the mine for analysis.
地质学家从矿井中采集了一个煤层样本进行分析。
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2. The company used coal seam samples to determine the quality of its coal.
该公司使用煤层样本来评估其煤炭的质量。
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3. The coal seam sample revealed the presence of methane gas.
煤层样本揭示了甲烷气体的存在。