无极速度图
poleless velocity diagram
无极速度图法
non-polar velocity-diagram method
non-polar velocity figure method
无极速度图绘制
non-polar velocity drawing
变速变桨
variable speed pitch regulated
variable speed variable pitch
变速变桨距
Variable-speed Variable-pitch
variable-speed pitch controlled
变速-变桨距
variable speed-variable pitch
变速变桨距风电机组
variable-speed variable-pitch wind turbine
变速变桨距风力机
variable speed pitch regulated wind turbine
变速变角
Adjusting rotational speed and blade angle
变速-变角
Adjusting rotational speed and blade angle
变速变距
variable speed adjustable pitch
变速变频
VSVF
variable-speed variable-frequency
分段变速变形
deformation with steply changing velocity
机械式四速变速器
mechanical four-speed transmission