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单选题
GMDSS无线电人员应每天至少接收一次()送到驾驶台
A
新闻广播
B
岸台通报表
C
船舶通电
D
无线电时间信号
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具有明显的简单性和低投资成本,又完全满足船舶加热所需蒸汽量的要求B
具有明显的简单性和低投资成本,但不能满足船舶加热所需蒸汽量的要求,而需要燃油辅助锅炉补充蒸汽C
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fuel oil vapor at the sludge tank ventB
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lube oil vapors in the engine room
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左舷受风而又处于上风的船一定为让路船C
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