single-stage system 单级装置

single-stage compression refrigeration system [制冷] 单级压缩制冷系统

single stage compressive refrigerating system 单级压缩制冷系统

single-stage PV system 单级式光伏发电系统

single stage aerobic system 单级好氧处理

single-stage closed-circuit wet-grinding system 单级闭路循环湿法磨碎系统

Mechanical single-stage refrigerator system 机械式单级压缩制冷

single stage compression circulating system 单级压缩循环系统