- hydraulic automatic propeller
- hydromatic propeller
- 液压: hydraulic pressure
- 自动: voluntarily; of one's own ac ...
- 螺旋桨: screw propeller; propeller; ...
- 液压自动变距螺旋桨: hydraulic automatic propeller; hydraumatic automatic propeller; hydromatic propeller
- 自动螺旋桨: automatic propeller; propeller; automatic
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