名词中文翻译1
中文翻译：Unknown
同义词：
['heavy oil', 'heavy crude oil']
例句：
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1.The heavy bitumen is used in the production of asphalt.
重沥青用于生产沥青。
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2.Heavy bitumen can be difficult to transport due to its high viscosity.
由于其高粘度，重沥青难以运输。
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3. The heavy bitumen has a strong smell that can be off-putting.
重沥青有强烈的气味，可能会令人反感。