名词
中文翻译：中至挥发性煤焦油同义词
同义词：
['medium-volatilebituminous coal', 'medium-volatile coking coal']
例句：
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1. The medium-volatile pituminous coal is a valuable resource for thelocal economy.
中至挥发性煤焦油是当地经济的重要资源。
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2. The medium-volatile pituminous coal hasbeen used in various industrial processes.
中至挥发性煤焦油被用于各种工业过程中。
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3. The medium-volatile pituminous coal is a source of energythat can be used to generate electricity.
中至挥发性煤焦油是一种能源来源，可以用来发电。