某轮船速12kn,逆风逆流航行,流速2kn,风使船减速1kn,则1h后船舶实际航程为()。A.9nmileB.10nmileC.11nmileD.12nmile
某轮船速12kn,顺风顺流航行,流速2kn,风使船增速1kn,则1h后船舶对水航程为()。A.12nmileB.13nmileC.14nmileD.15nmile
某轮船速12kn,顶风顺流航行,流速2kn,风使船减速1kn,则1h后船舶对水航程为()。A.11nmileB.12nmileC.13nmileD.14nmile
某轮船速12kn,顶流顺风航行,流速2kn,风使船增速1kn,则1h后船舶实际航程为()。A.10nmileB.11nmileC.12nmileD.13nmile
某轮船速12kn,顺风顺流航行,流速2kn,风使船增速1kn,则1h后船舶实际航程为()。A.12nmileB.13nmileC.14nmileD.15nmile
某轮船速12kn,顶风顺流航行,流速2kn,风使船减速1kn,则1h后船舶实际航程为()。A.11nmileB.12nmileC.13nmileD.14nmile
某轮船速12kn,逆风逆流航行,流速1kn,风使船减速1kn,则1h后船舶对水航程为:A.9n mileB.10n mileC.11n mileD.12n mile
【单选题】某轮船速12kn,顶流顺风航行,流速2kn,风使船增速1kn,则1h后船舶实际航程为 。A.10 n mileB.11 n mileC.12 n mileD.13 n mile
某轮船速12kn,顶流顺风航行,流速2kn,风使船增速1kn,则1h后船舶对水航程为:A.10 n mileB.11 n mileC.12 n mileD.13 n mile