名词
中文翻译：低品位沥青矿
同义词：
['low-grade bitumite例句：1. The low-grade bitumite is a valuable resource for the local mining industry.（这种低品位沥青矿是当地矿业的宝贵资源。）']
例句：
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1. The low-grade bitumite is a valuable resource for the local mining industry.
这种低品位沥青矿是当地矿业的宝贵资源。
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2.The company has been exploring for low-grade bitumite deposits in the region.
该公司一直在该地区寻找低品位沥青矿藏。
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3. The low-grade bitumite has been used to produce high-quality asphalt.
这种低品位沥青矿被用来生产高质量的沥青。