When you are firing a pyrotechnic distress signal，it should be aimed（）.
A . horizontally and directly abeam of your vessel
B . at the vessel whose attention you want to attract
C . into the wind
D . at greater than 60 degrees above the horizo
时间：2022-09-07 17:05:15
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此题为判断题(对，错)。
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You are on a tanker discharging oil．When all of th...
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