单选题Because the flow rate of supply water pump is too large, oily water separator does not work wellWhich of the following is not the reason?（）Athe monitoring equipment is out of orderBseparating effect becomes badCinner wall is contaminatedDseparating effect becomes bad and inner wall is contaminated
单选题
Because the flow rate of supply water pump is too large, oily water separator does not work wellWhich of the following is not the reason?（）
A
the monitoring equipment is out of order
B
separating effect becomes bad
C
inner wall is contaminated
D
separating effect becomes bad and inner wall is contaminated
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