【判断题】
轴的作用是承受由活塞经连杆传来的启动力，把活塞的往复直线运动转变为热能，并通过连杆推动活塞完成进气、压缩、排气这三个辅助行程
A. 对
B. 错
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答案
B
解析
不是转换为热能而是圆周运动
曲轴是发动机的主要旋转机件,它负责将活塞的上下往复运动转变为自身的圆周运动
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