全面系统地分析了胜利油田一批稠油、特稠油、疏松砂岩油藏以及低渗透油层低产的原因。
This paper fully and systematically analyses the reasons for low oil yield of numbers of heavy oil, super-heavy oil, loose sand reservoir and low permeability layers in Shengli oilfield.
以大量的数据资料，全面系统地分析了煤矿灾害的现状与致灾特点，提出了煤矿防灾减灾对策。
The present situation and characteristics of coal mine disasters are analyzed systematically by using a vast amount of data. The measures to reduce coal mine disasters are proposed.
全面系统地分析影响油料灌装自动控制系统精度的各种因素，对于提高灌装精度具有重要的指导意义。
It is of instructive significance for filling precision improvement to systematically analyze all factors that influence the precision of oil automatic filling control systems.
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