The property data of crude oil and its fraction is the basic data in design of petroleum refining technology.
阐述了当前国内外石油炼制催化剂器外再生技术的现状。
The property data of crude oil and its fraction is the basic data in design of petroleum refining technology. In the past these data were obtained by hand calculation or consulting tables and charts.
石油及其馏分的物性数据是石油炼制工艺设计的基础数据，以往常常采用手工计算或查阅有关图表获得。
The challenge facing China's petroleum refining industry is analyzed, and the gap on either technology or managing mode compared with developed countries is pointed out.
分析了我国炼油工业面临的挑战，指出我国炼油工业与国外发达国家相比，无论在技术上还是管理模式上均存在差距。
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