| 1. | The crude oil is chromatographed over silica gel . 粗制油状物用硅胶进行色谱分离。 |
| 2. | World demand for crude oil had grown rapidly by 1973 . 1973年以前,世界对原油的需求迅速增长。 |
| 3. | Naturally occurring rock oil is referred to as crude oil or petroleum . 天然形成之石油,我们称作原油或石油。 |
| 4. | The first stage is to split the crude oil into more manageable portions . 第一步就要将原油分割成更易处理的馏分。 |
| 5. | The world supply of crude oil grew at least as fast as world demand . 世界原油供给的增长至少同世界需求的增长一样快。 |
| 6. | So the first stage is to split the crude oil into move manageable portions . 因此,第一步就要将原油分割成更易处理的馏分。 |
| 7. | And so the first stage is to split the crude oil into more manageable portion . 因此,第一步就要将原油分解成更易处理的馏分。 |
| 8. | In the u.s. much of the desolventized crude oil is degummed at the extraction plant . 在美国,多数脱溶原油,是在萃取加工厂内进行脱胶处理。 |
| 9. | It was soon found that the kerosene straight from crude oil was sometimes not very satisfactory . 不久就发现原油中的直馏煤油有时并不使人满意。 |
| 10. | The term crude oil is restricted to liquid mixtures of hydrocarbons and related compounds . 原油这个术语是指烃类和与烃类有关的化合物的液态混合物。 |