Once back on the ocean, ships could switch back to using high-sulphur fuel, which is much cheaper.
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。
2
Further, the Saudi crude is very high in sulphur.
此外，沙特的原油含硫量很高。
3
Highsulphur deposits with spontaneous firing tendency and under river deposits are restricted to develop due to its technical conditions, especially for the small deposits.