control rod shaft assembly
a propeller configuration
accelerating ducted propeller
accelerating propeller noise
adjustable (blade) propeller
adjustable blade propeller pump
adjustable blade propeller runner
adjustable pitch propeller
可调螺距螺旋桨
可调距螺桨
可调整螺距螺旋桨
调距螺旋桨
可变螺距螺旋桨
调距推进器
变距推进器
变距螺桨
可掂螺旋桨
adjustable propeller system
automatic controlled propeller
自动变矩螺旋桨
自控螺旋桨
惯性导航系统(INS)
二硫代磷酸钼(MoDTP)
boat propeller injuries
body propeller interference
contrary-turning propeller