Vents the chamber so the chamber do

Vents the chamber so the chamber door can be opened.
This control can also vent gas into the chamber when the gas supply is
properly connected to the backfill port.

結果 (英文) 2:

SO at The Chamber at The Chamber Vents CAN BE the Opened Door.
This Control CAN INTO Also at The Vent Gas Chamber at The Gas Supply's the when IS
Properly Connected to backfill at The Port.

結果 (英文) 3:

通风室，使室门可以打开。这种控制也可以发泄到室内的气体时，气体供应正确连接到回填端口。