operation cost analysis 作业成本分析
The economic analysis results have shown that the transportation cost of oil and energy consumption decrease after the heating system of tanks get out operation.
经济分析结果表明，油罐热力系统冬季退出运行后，原油输送成本降低，节能降耗效果显著。
Analysis and comparing showed that vertical waste compacting process has more advantages in respects of technology and operation cost than other processes.
通过分析比较，认为竖直式垃圾压缩工艺在工艺技术上和运行费用上，较其它工艺具有一定优势。
Economic analysis shows the operation cost of solar cooling system is low than that of grain chiller.
经济性分析表明太阳能制冷系统用于低温储粮的运行成本明显低于压缩式制冷谷物冷却机。
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