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单选题
869.That portion of the system which controls the pitch of the propeller blades Includes items such as governor ,
869.That portion of the system which controls the pitch of the propeller blades Includes items such as governor ,
synchronizers, switches, cables, levers, etc Does not include any parts which rotate with the propeller assembly ( )
A
系统中控制螺旋桨桨距的部分。包括加速器,同步器,电门,钢索,杆等。不包括随螺旋桨组件运动的任何零件
B
系统中控制螺旋桨桨叶角的部分。包括调速器,同步器,电门,钢索,杆等。不包括随螺旋桨组件随动的任何零 件
C
系统中控制螺旋桨桨距的部分。包括调速器,同步器,电门,钢索,杆等。不包括随螺旋桨组件旋转的任何零件
答案解析
正确答案：C
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