A、stop-check valves installed in the bilge manifolds
B、using a positive displacement reciprocating bilge pump
C、installing eductors in all bilge rose boxes
D、installing a swing check before each bilge valve
更多“Accidental flooding of the engine room bilges by the bilge main is prevented by （）.”相关的问题
A、control flooding，control fire，repair structural damage B、restore vital services，control fire，control flooding C、control fire，restore vital services，control flooding D、control fire，control flooding，repair structural damage
A、A.control flooding，control fire，repair structural damage B、B.restore vital services，control fire，control flooding C、C.control fire，restore vital services，control flooding D、D.control fire，control flooding，repair structural damage
A、支持Ping Of Death，Land，Smurf等DOS攻击 B、支持对异常未知异常流量的限速 C、只支持采样流量检测方式，不支持逐包检测方式 D、支持Syn Flood，UDP Flood，ICMP Flood，Http Get Flood等DDOS攻击
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