investment and project cost

基本解释

The results of simulating calculation showed that using middle reboiler in propylene rectification column could reduce project investment and operation cost.
通过模拟计算，对丙烯精馏塔增设中间重沸器可以降低工程投资，减少操作费用进行了探讨。
Proper introductions for Venturi railing scrubber are made, including efficiency of desulphurization and dust cleaning, project investment and operation cost.
对文氏栅洗涤器的脱硫除尘效率、设备及工程投资、工业运行成本作了适当的介绍。
Based on this a paddy drying plan which conforms to the characteristics of grain depots is put forward, and the project investment and drying cost of this plan are analyzed.
进而提出符合粮库特点的稻谷烘干解决方案，并对此方案进行了工程投资及烘干成本分析。