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单选题
如果你在泵中发现金属颗粒，找到它们的来源并修理有缺陷的部件。
A
A.If you find metal particles in the pump, find their source and repair the defective part.
B
B.If magnetic particles are found in the pump, locate their location and repair the affected part.
C
C.Locate their source and disassemble the defective part if you find metal objects.
答案解析
正确答案：A
相关知识点：
泵中金属颗粒考点全
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