One of the reasons that causes oil flowed from slu
One of the reasons that causes oil flowed from sludge outlet of a self-cleaning purifier is
A.seal water supply be cut off
B.make-up water supply be cut off
C.oil outlet valve closed or not open sufficiently
D.the flow rate of oil is too much
请帮忙给出正确答案和分析，谢谢！
参考解答
488***779
2024-06-14 22:23:37
正确答案：B
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