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单选题
192、螺旋桨调速器是通过螺旋桨轮毂上的螺距改变机构,通过增加或减少螺旋桨的螺距来调节发动机或螺
192、螺旋桨调速器是通过螺旋桨轮毂上的螺距改变机构,通过增加或减少螺旋桨的螺距来调节发动机或螺
旋桨转速的装置。
A
Propeller governor is a device that adjusts the speed of the engine or propeller by increasing ordecreasing the clearance of the propeller through the clearance changing mechanism on the propeller hub.
B
Propeller governor is the device that regulates the rpm of the engine or propeller by increasing ordecreasing the propeller pitch, through a pitch change mechanism in the propeller hub.
C
Propeller governor is through the propeller hub of the propeller pitch changing machine, adjusts thespeed of the propeller or engine by increasing or decreasing the propeller gap.
答案解析
正确答案：B
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