Constant POwer control rule is also presented. The hardware and software in the microcomputer real-time high-vacuum exhaustingsystem is introduced.
研制开发了高真空排气过程微机实时控制系统，并对该系统的硬件构成和软件开发作了介绍。
2
The non-oxidizing zone is consisted of entry sealed room, waste gas preheating zone, direct heating zone, and furnace nozzle and flue gas exhaustingsystem.
无氧化段由入口密封室，废气预热区，直接加热区，炉喉，废气排放系统组成。
3
The main products include circular and rectangular duct fans; they are widely used in the hospital, hotel, meeting room and airport, etc for air exhaustingsystem.