| 1. | Analysis of economic benefits of cao ' ejiang river lock
曹娥江大闸经济效益分析 |
| 2. | Economic analysis on river - mouth gate in huangpu river
黄浦江河口建闸工程经济效益分析 |
| 3. | On the economic efficiency of export drawback
出口退税机制经济效益分析 |
| 4. | Analysis of compensation equipments and their benefits
无功补偿的分析比较及其经济效益分析 |
| 5. | Environmental economical study on rebuilding of boiler room
锅炉房改造项目的环境经济效益分析 |
| 6. | Analysis of economic benefit brought by improvement of dressing process
选矿工艺改造项目经济效益分析 |
| 7. | Economic analysis of maize production in dryland with conservation tillage
旱地玉米保护性耕作经济效益分析 |
| 8. | Economic benefit analysis of several water - saving irrigation techniques
几种主要节水灌溉技术的经济效益分析 |
| 9. | Economic benefits analysis of acidic wastewater treatment facilities
二羧酸车间酸性含氰污水处理装置经济效益分析 |
| 10. | Analysis on the economic benefits of mechanized corn stalk ensiling technology
玉米秸秆机械化青贮技术经济效益分析 |
