单选题The pump used to send the bilge water into the oily water separator（）the mixture because this might create finer oil particles.Ashould agitateBshould not agitateCshould mix upDshould not add up
单选题
The pump used to send the bilge water into the oily water separator（）the mixture because this might create finer oil particles.
A
should agitate
B
should not agitate
C
should mix up
D
should not add up
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