工程效益 project benefit ; Expected Benefits ; benefit of project

缩短里程效益 benefit from distance shortening

水利工程效益 benefit of water project ; hydraulic engineering profit

灌溉工程效益 benefit of irrigation project

人防工程效益 civil air defense engineering benefit

课程期望效益 Features & Benefits

效益工程 benefit project

程序效益 procedure efficiency

效益程序 Benefit Program