| |||
| auxiliary valve; booster valve | |||
| guardian valve; guarding valve | |||
| aux valve (ROGER YOUNG) | |||
| |||
| service valve (для устанавливаемого дополнительно оборудования) | |||
|
дополнительный клапан : 11 phrases in 6 subjects |
| Aerohydrodynamics | 1 |
| Apollo-Soyuz | 1 |
| Astronautics | 4 |
| Automobiles | 2 |
| Medical | 1 |
| Technology | 2 |