A、telephone
B、telegraph
C、telex
D、VHF
更多“One hour before arrival at Elbe 1 light vessel，masters are advised to contact the pilot boat by（）.”相关的问题
A、One hour after the predicted time B、At the predicted time C、30 minutes before flood，one hour after an ebb D、30 minutes before the predicted time
A、A.one and a half hour’s B、B.one and a half hour C、C.an hour and a half’s D、D.an hour’s and a half
A、tachometer and engine telegraph B、oil and water reserves C、clock and engine telegraph and test the rudder D、crews
A、before you enter the water B、after you enter the water C、after one hour in the water D、after you notice that your suit is losing buoyancy
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