运行参数 Operating limits 密封腔压力: 30kg/cm2 密封腔温度：(4-1)-60℃~180℃ (4-2)-20℃~230℃ 线速度:25m/Sec Pressure in the sealed chamber: 30kg/cm2 Temperature in the sealed hamber：(4-1)-60℃~180℃ (4-2)-20℃~230℃ Linear velocity:25m/Sec
