• 2022-06-06
    某船吃水9.3m,富余水深0.7m,海图水深7m,海图基准面在海图平均海面下2.2m,潮高基准面在平均海面下2.0m,通过该地所需潮高为()
    A: 3.0 m
    B: 3.2 m
    C: 2.8 m
    D: 都不对