Removal or amendment of a control procedure may not significantly increase the risks associated with the operation of the system and may result in cost savings.
删除或者修正控制程序的时候，可能会使操作系统会增加一些不重要的风险，但能够节省成本。
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。
The establishment and operation of cost control system.
成本控制系统的建立与运行。
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