問題詳情

13. Which equipments are commonly used to process oil-contaminated water to reduce the oilcontent for anti-pollution?
(A) Sewage tanks
(B) Bilge pumps
(C) Separators and filters
(D) Segregated ballast tanks

參考答案

答案:C
難度:適中0.6
統計:A(1),B(6),C(21),D(4),E(0)

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