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单选题 下列哪种形式的旋翼飞行器不是直升机( )
学科：如何成为无人机驾驶员
时间：2023-12-20 09:18:24
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The first day of the week isA. MondayB. TuesdayC. FridayD. Sunday
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题目8单选题
下列哪种形式的旋翼飞行器不是直升机( )A. 多轴飞行器B. 共轴双旋翼式C. 自转旋翼式
题目9单选题
多轴飞行器的旋翼旋转方向一般为( )A. 俯视顺时针旋翼B. 俯视逆时针旋翼C. 两两对应
题目10单选题
共轴直升机的旋翼旋转方向为( )A. 俯视顺时针旋翼B. 俯视逆时针旋翼C. 一正一逆
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