单选题Which of the following liquids can ordinarily be discharged overboard without being processed through an oily water separator?（）ACargo tank ballastBSegregated ballastCEngine room bilgesDCargo pump room bilges
单选题
Which of the following liquids can ordinarily be discharged overboard without being processed through an oily water separator?（）
A
Cargo tank ballast
B
Segregated ballast
C
Engine room bilges
D
Cargo pump room bilges
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