adjustable pitch

... adjustable blade 可调桨叶 adjustable pitch 可调螺距 adjustable pitch propeller 调距螺旋桨 ...

机械工程英语翻译A-7... ... 活动丁字尺 adjustable head T-square 可调整螺距（航空，造船） adjustable pitch ...

变距桨,Varying pitch... ... ) Varying pitch propeller 变距桨 ) adjustable pitch 变桨距 ) variable propeller pitch 变桨距 ...