正确答案: D

all ballast lines, tanks, and pumps are independent of those used for oil

题目：A segregated ballast system is a system where

解析：D

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举一反三的答案和解析：

[单选题]对中暑病人进行物理降温时，可将冰袋置于()

双侧腋下

[单选题]一艘“失控船”在航处于被拖带时应＿＿＿＿。

应显示舷灯与尾灯