Pressure drop is an important technical and economicindex of fabric filter.
压力损失是袋式收尘器重要的技术经济指标。
2
The Leading EconomicIndex rose for the fourth straight month, according to data released Thursday.
根据周三公布的数据显示,主要的经济指标已经连续第四个月回升。
3
The drying mechanism and technology optimization of spray drying are generally studied by experiments. And spray drying lacks theory research, which affects its technical economicindex.