1·The filter of crude oil is the absolutely necessarily equipments of the oil refine factory. But the filter can be easily jammed when it is operating.
原料油过滤器是炼油厂原油二次加工必不可少的设备，但是在使用过程中极易堵塞。
2·At the same time, more of this newly discovered oil is of the type that requires a greater investment to refine.
与此同时，在这些新发现的石油中，更多是需要加大投资才能提炼的类型。
3·"Generally integrated oil companies do not refine the oil they produce, instead it goes to wherever is closest," he says.
他说：“一般情况下，综合性石油公司不会精炼自己开采的石油，而是就近寻找炼油企业。”
4·There are some signs that stocks of more viscous oil are building, since it is harder (and less profitable) to refine.
一些迹象表明较高稠度油的库存正在建立，原因是这种油的提炼较困难（利润较低）。
5·The Chinese company will set up a joint venture with Ineos, the world's fourth-largest chemicals producer, to refine and trade oil at Scotland's Grangemouth and France's Lavera refineries.
中石油将与全球第四大化学品生产商英力士成立一家合资企业，在苏格兰的格兰杰·莫斯和法国的拉瓦莱炼油厂提炼和交易石油。
6·Their daily work is to refine crude oil.
他们每天的工作是精炼原油。
7·Most of the plants now refine, not extract, oil.
大多数的工厂只能精炼石油，而不能提取石油。
8·To dig it up and refine it is a process far higher in emissions than the processing of Saudi Arabian oil, and is destroying much of Alberta's northern Boreal forest along the way.
挖掘后并提取这一过程的排放量要远远高于沙特产油的过程，并且这一过程破坏了艾伯特北部寒温带森林。
9·They refine crude oil into various petroleum products.
他们将原油提炼成各种石油产品。
10·Their daily work is to refine crude oil.
这些石油将被精炼。