Main structured items are: JDQM full face mask, air supply valve, pressureregulatorvalve, backboard, pressure gauge, alarming whistle, medium pressure tube, carbon fiber composite cylinder, etc.
主要结构有：JDQM全面罩、供气阀、减压阀、背板、压力表、报警哨、中压管、碳纤维复合气瓶等。
2
Pressure gauge, valve, pressureregulator for panel mounting.
压力表、阀、压力调节器均为面板安装。
3
Oxygen flows through the pressure reducing regulator and shut off valve to the masks.