名词
中文翻译：直馏重质馏分
同义词：
['直馏重油、直馏重质油例句：1. The refinery produces a variety of petroleum products', 'including straight-run heavy fractions.（炼油厂生产各种石油产品，包括直馏重质馏分。）']
例句：
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1. The refinery produces a variety of petroleum products, including straight-run heavy fractions.
炼油厂生产各种石油产品，包括直馏重质馏分。
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2.The heavy fractions are used in the production of lubricants and fuels.
重质馏分用于生产润滑油和燃料。
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3.The straight-run heavy fraction is extracted from the crude oil through distillation processes.
直馏重质馏分通过蒸馏过程从原油中提取出来。