the rate of headway required if a ship is to be controlled by the helm
舵效航速。
n. 舵效航速
But once you have steerage-way, a light touch on the tiller will bring her round.
但一旦发动了引擎,轻轻转动船舵就可以改变方向。
By this time we had got so far out of the run of the current that we kept steerage way even at our necessarily gentle rate of rowing , and I could keep her steady for the goal.
我们这时已经远远摆脱了那股逆流,所以只要稍微用点力,船就能前进,而我也能稳稳地将船头对准登陆点。
the rate of headway required if a ship is to be controlled by the helm
舵效航速。