单选题
1分
While overhauling a jerk-type fuel pump it is necessary to replace the pump plunger. Which of the pa...
While overhauling a jerk-type fuel pump it is necessary to replace the pump plunger. Which of the parts listed below must also be replaced?
参考答案: B
参考解析: 注:脉动泵修理时需要更换泵的柱塞和套筒。