名词
中文翻译：气体密度计
同义词：
['gas analyzer', 'gas chromatograph例句：1. The gas densitometer was used to measure the concentration of carbon dioxide in the air.（使用气体密度计测量空气中二氧化碳的浓度。）']
例句：
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1. The gas densitometer was used to measure the concentration of carbon dioxide in the air.
使用气体密度计测量空气中二氧化碳的浓度。
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2.The gas densitometer was used to determine the composition of the sample.
气体密度计用于确定样本的成分。
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3. The gas densitometer was used to detect any leaks in the pipeline system.
气体密度计用于检测管道系统中的任何泄漏。