变桨距
variable pitch
pitch control
adjustable pitch
variable blade pitch
variable propeller pitch system
variable-pitch
active-disturbances-rejection controller
variable oar distance
Pitch-variable
变速变桨距
Variable-speed Variable-pitch
variable-speed pitch controlled
变速-变桨距
variable speed-variable pitch
电动变桨距
electric variable-pitch
electric pitch
electric drive pitch
electric pitch-controlled
偏航和变桨距
Yawing and Variable Pitch
自动变桨距
automatic variable pitch control