 |
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| pitch change mechanism (Andreasyan); pitch-change actuator (винта); pitch-change mechanism (воздушного винта) | |||
| pitch actuating mechanism; pitch adjusting mechanism; pitch changing mechanism; pitch-control box (винта) | |||
| pitch changing system (гребного винта регулируемого шага); pitch control mechanism (гребного винта) | |||
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| pitch actuator; pitch changing actuator; pitch changing system; propeller pitch actuator; propeller pitch changing actuator; propeller-pitch control system | |||
| механизм изменения шага: 4 phrases in 3 subjects |
| Aerohydrodynamics | 1 |
| Aviation | 1 |
| Nautical | 2 |