硫酸消耗是磷酸生产的主要经济技术指标，降低磷酸过滤系统水溶磷的损失是降低硫酸消耗最有效的途径。
As the major economical and technical indexes in WPA production, sulfuric acid consumption is reduced alone with the decrease in the loss of the water soluble P2O5 in the WPA filtering system.
主要对冶金工矿企业绿化的性质与地位，经济技术指标，专业绿化等问题进行了探讨。
The property, significance, economic and technic index, specialization of afforestation in metallurgical industries and mines are discussed.
回采率是衡量矿山生产技术管理、资源综合利用水平的一项主要的经济技术指标。
Mining recovery is a main economic-technical index to measure mine enterprise's levels of production management and resources comprehensive utilization.
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