单选题Where an excessive level of contamination is detected an alarm is sounded and diverting valves are operatedThe discharging liquid is then passed to （）.AoverboardBa bilge wellCa slop tankDa hot well
单选题
Where an excessive level of contamination is detected an alarm is sounded and diverting valves are operatedThe discharging liquid is then passed to （）.
A
overboard
B
a bilge well
C
a slop tank
D
a hot well
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名词解释题混染作用（contamination）