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电动燃油泵在使用中,应注意的是( )

A、旧油泵不能干试

B、在点火开关切断情况下,拔下蓄电池搭铁线

C、从燃油箱中拉出燃油泵

D、从燃油箱开口处拉出密封凸缘

时间：2021-07-17 23:47 关键词：汽车服务工程专升本汽车构造 2019级毕业清考（考试分）

答案解析

A

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