The upgrading and refining facilities required to turn tar to oil cost billions of dollars, but the technology is tried and tested.
虽然需要将焦油砂转化为石油的升级和精炼设备成本高达数十亿美元，但这种技术仍在尝试和试验阶段。
In order to reduce the oil refining loss and production cost, some effective measures should be adopted.
在生产中应采取相应措施对其进行有效控制，从而达到减小油脂精炼损耗，降低油脂生产成本的目的。
The increase of inferior crude oil processing amount can reduce crude oil cost by a large margin so as to enhance economic benefit of refining enterprises.
增加劣质原油加工量，可大幅降低原油成本，提高炼油企业经济效益。
So it is very benefit for oil refining enterprise, especially for the project of directly liquefying coal with lower cost.
因此非常有力于炼油企业，尤其对成本相对较低的煤直接液化项目非常有利。
As a raw material need in large quantity in oil refining chemical enterprise, catalyst 's price fluctuation is one of factors to influent product cost.
催化剂作为炼油化工企业大量需求的原料，其价格的波动是影响产品成本的因素之一。
As a raw material need in large quantity in oil refining chemical enterprise, catalyst 's price fluctuation is one of factors to influent product cost.
催化剂作为炼油化工企业大量需求的原料，其价格的波动是影响产品成本的因素之一。
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