A、keep ports，doors，windows，and hatches closed
B、start engines immediately
C、ventilate before starting engine
D、None of the above
更多“Upon completion of fueling a gasoline driven vessel it is necessary to（）.”相关的问题
A、Latency fluctuates regardless of frame size. B、The switch receives the complete frame before beginning to forward it. C、Latency through the switch varies with frame length. D、The switch checks the destination address upon receipt of headers.
A、complete and often very poor surveys B、correct and often very good surveys C、inadequate and often very old surveys D、adequate and present surveys
A、Completed， Deposited， Released， Shipped B、Completed， Released， Shipped， Deposited C、Deposited， Released， Shipped， Completed D、Released， Shipped， Completed， Deposited E、Released， Shipped， Deposited， Completed
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