• 2022-11-02
    某船顺风顶流航行,船速18kn,流速2kn,风对船舶航速的影响1kn,计程仪改正率-8%,0400计程仪读数L1=100'.0,则2h后相对计程仪读数L2为()
    A: 132.6
    B: 137.0
    C: 141.3
    D: 145.7