American refineries require that really light shale to be mixed with heavy crude which is often found with OPEC.
美国炼油厂要求真正轻质的页岩与石油输出国组织经常发现的重质原油混合。
单词 | light shale |
例句 |
原声例句
CNN 10 学生英语 2019年3月合集 American refineries require that really light shale to be mixed with heavy crude which is often found with OPEC. 美国炼油厂要求真正轻质的页岩与石油输出国组织经常发现的重质原油混合。 |
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