Liquid-vapor separator: it is installed on the exhaust pipe line to separate the compressed gas from treatment fluid, the separator is a pressure vessel.
气液分离器：安装在排气管路上用以实现压缩气体与工作液的分离，分离器属压力容器。
2
Vacuum distillation using the dropper with the exhaust port and the access protection tube to prevent leakage of liquid directly into the vacuum pump.
减压蒸馏使用带抽气口和防护滴管的接液管，可以防止液体直接泄露到真空泵中。
3
Inhalation tube not filled with liquid, the pump through the role of automatic exhaust fluid, adapted to extract from the ground container liquid.