 |
| |||
| gauge door | |||
| regulating door; ventilation door | |||
| air gate | |||
| trap door | |||
| air door; gauge-door; trap; trap-door; vent door; check door; door regulator; door; flap-door; mine door; separation door (разделяющая входящую и выходящую струю); stiffener; trapdoor; weather door | |||
| regulator | |||
| flap door | |||
| вентиляционная дверь: 15 phrases in 6 subjects |
| Automobiles | 1 |
| Construction | 1 |
| Geology | 2 |
| Military | 2 |
| Mining | 6 |
| Technology | 3 |