名词
中文翻译：Unknown
同义词：
['heavy hydrocarbon', 'heavy hydrocarbons', 'heavy hydrocarbons例句：1. The heavy hydrocarbon gases are a major source of pollution in the city.（重质烃气体是该市主要的污染源。）']
例句：
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1. The heavy hydrocarbon gases are a major source of pollution in the city.
重质烃气体是该市主要的污染源。
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2. Heavy hydrocarbon gases can be harmful to human health.
重质烃气体对人类健康有害。
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3. The heavy hydrocarbon gases were found to have a significant impact on the environment.
发现重质烃气体对环境有显著影响。