其青岛焦化厂按每桶基准原油的浮动公式,对购入的沙特阿拉伯轻质低硫原油定价。
The light and sweet crudes from Saudi by its largest coker refinery at Qingdao are priced on a floating formulas against a basket of benchmark crudes.
为了清洁空气,加利福尼亚规定所有船只,在驶进距离岸边44公里范围内时,必须使用低含硫量燃料。美国各州中只有加州是这么规定的。
To clean up the air, California is the only state in the U.S. to require all ships to use low-sulfur fuel when they are within 44 kilometers of the shore.
一旦进入大洋,船舶就可以重新使用价格远比低硫燃油便宜的高硫燃油。
Once back on the ocean, ships could switch back to using high-sulphur fuel, which is much cheaper.
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