To inflate a davit launched liferaft you（）.<br>A:initially connect the compressed air nozzle to the inflation tube<br>B:pull the inflation lanyard<br>C:connect the hand pump to the inflation tube and pump it up<br>D:connect the helium nozzle to the inflation tube

To inflate a davit launched liferaft you（）.
A:initially connect the compressed air nozzle to the inflation tube
B:pull the inflation lanyard
C:connect the hand pump to the inflation tube and pump it up
D:connect the helium nozzle to the inflation tube

出自：海船船员证

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