在四塔变压吸附装置上进行了变压吸附过程试验，在吸附试验过程中应用PLC对全过程进行设计和控制；
The experiment of PSA process was carried out on four columns. The system is designed and controlled by PLC on the pressure swing adsorption processes.
在四塔变压吸附装置上进行了变压吸附过程试验，在吸附试验过程中应用PLC对全过程进行设计和控制；
The experiment of PSA process was carried out on four columns. The system is designed and controlled by PLC on the pressure swing adsorption processes.
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