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当前学科:铁路机车维修考试
题目:
单选
关于柴油机发生“游车”的各种原因中不正确的是()。
A . 调速器反馈系统故障
B . 油中有空气
C . 调速器输出轴和油泵齿条连接不当
D . 油量调节杆松动
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