爱国卫生运动
patriotic health movement
patriotic sanitation campaign
比较劳动生产率
Comparative labor productivity
城乡劳动生产率差距
The gap between urban and rural labor productivity
次生产前沿面
the secondary production frontier
大学生运动员
university student athlete
athletes in college students
college athletes
电镀自动生产线
automatic electroplating line
电容器自动生产线
automatic production line for making capacitors
电子传真机自动生产线
auto-production line for electronic facsimile
电阻焊三片罐自动生产线
electric resistance welding three-piece can automatic making line
定压、定产生产方式
production mannar at fixed pressure and production