求翻译：杀菌锅都配备自动排汽阀和自动补气阀，当杀菌锅内的压力高于杀菌所需压力时，排汽阀自动开启，将锅内压力排至杀菌所需压力；是什么意思？

Autoclaves are equipped with automatic exhaust valve and automatic fill valve, the pressure pot when sterilization is higher than the pressure required for sterilization, the exhaust valve automatically opens, the pressure pot pressure required for discharge to the sterilization;

equipped with automatic dishwashing pot mine steam valves and automatic fill valve, when higher pressure inside the pot germicidal disinfectant when the required pressure steam valves, emissions, will be opened automatically pot pressure to kill bacteria required pressure;

The sterilization pot all provides the automatic exhaust steam valve and the automatic gulp valve, when in the sterilization pot pressure is higher than the sterilization needs the pressure, exhaust steam valve automatic opening, the pot internal pressure row to the sterilization needs the pressure;

Retorts are equipped with automatic exhaust valve and automatic valve when the pressure of air within the retort sterilization when the required pressure, exhaust valves opened automatically, pressure flows into the pressure required for sterilization in the pot;

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