If found oil when we open low oil level plug of separator it indicates ____.
自考英语
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A.the separator is overload
B.the monitor equipment of separator fails
C.the discharge pump of separator can not work
D.the temperature of oil water is low
请帮忙给出正确答案和分析,谢谢!
热搜:lowe玻璃可见光透射比
