| |||
mushroom head (of an obturator); axial vent (of an obturator) | |||
mushroom head of obturator | |||
mushroom-shaped stem (обтюратора) | |||
mushroom-shaped stem |
грибовидный стержень : 7 phrases in 4 subjects |
Artillery | 2 |
Military | 2 |
Technology | 2 |
Weapons and gunsmithing | 1 |