A、engaged on pilotage duty
B、in distress
C、at anchor
D、being overtaken in a narrow channel
更多“A signal of one prolonged，one short，one prolonged，and one short blast，in that order is given by a vessel（）.”相关的问题
A、a light signal of at least five short and rapid flashes B、one prolonged，one short，one prolonged，and one short whistle blasts C、four short whistle blasts D、two short whistle blasts
A、A rapid ringing of a bell for 5 seconds every two minutes B、A whistle signal of one short，one prolonged，and one short blast C、A prolonged blast of the whistle at intervals not to exceed one minute D、A rapid ringing of a bell for 5 seconds，preceded and followed by three separate and distinct strokes on the bell
A、Directing the beam of a searchlight at another vessel B、A smoke signal giving off orange colored smoke C、A whistle signal of one prolonged and three short blasts D、International Code Signal "PAN" spoken over the radiotelephone
A、A.Directing the beam of a searchlight at another vessel B、B.A smoke signal giving off orange colored smoke C、C.A whistle signal of one prolonged and three short blasts D、D.International Code Signal PAN spoken over the radiotelephone
A、A.More than six short blasts and one long blast on the whistle B、B.Continuous blast of the ships whistle for a period of not less than 10 seconds supplemented by the same signal on the general alarm C、C.Three short blasts of the whistle supplemented by the same signal on the general alarm D、D.More than six short blasts and one long blast on the whistle supplemented by the same signal on the general alarm
A、Use one hand to give any miotion signal , and place the other hand motionless in front of the hand giving the motion signal B、Extend arm with the thumb pointing up , and flex the fingers in and out for as long as the load movement is desired C、First tap your elbow with one hand , and then proceed to use regular signals D、First tap the top of your head with your first , and then proceed to use regular signals
A、Use one hand to give any miotion signal , and place the other hand motionless in front of the hand giving the motion signal B、Extend arm with the thumb pointing up , and flex the fingers in and out for as long as the load movement is desired C、First tap your elbow with one hand , and then proceed to use regular signals D、First tap the top of your head with your first , and then proceed to use regular signals
A、at anchor B、towing a submerged object C、being overtaken in a narrow channel D、in distress
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