| Subject | English | Chinese |
| space | constant flow oxygen | 恒流供氧 (相对于按需供氧) |
| avia. | constant flow oxygen | 恒流供氧 |
| space | constant flow oxygen equipment | 连续供氧设备 |
| avia. | constant flow oxygen equipment | 连续供氧装备 |
| space | constant flow oxygen system | 连续供氧系统 |
| space | constant oxygen flow regulator | 连续供氧流量调节器 |
| avia. | constant-flow oxygen equipment | 连续供氧设备 |
| avia. | constant-flow oxygen system | 连续供氧系统 |