A centrifugal fuel oil purifier should be shut down if （）
- Amore sealing water is needed
- Bthe cover clamp needs tightening
- Cthe purifier has a bad vibration when started
- Dwater is discharged from the overflow line
问题
A centrifugal fuel oil purifier should
参考解析：
分类：辽宁农信社电子银行从业人员考试题库
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