Main structured items are: JDQM full face mask, airsupplyvalve, pressure regulator valve, 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
Every living space has a supplyairvalve; the bathroom and kitchen also have exhaust air valves.
每个生活空间有一个供应空气阀；厨房和卫生间也有排气空气阀。
3
BLEED valve, a valve in the pneumatic system for airsupply from the engine or auxiliary power unit to the pneumatic manifold.