A.Ⅰ~Ⅳ B.Ⅰ~Ⅲ C.Ⅱ、Ⅲ D.Ⅰ、Ⅳ
A.船舶首傾比尾傾時(shí)舵效好,順流時(shí)比頂流時(shí)舵效好 B.船舶首傾比尾傾時(shí)舵效好,順流時(shí)比頂流時(shí)舵效差 C.船舶首傾比尾傾時(shí)舵效差,順流時(shí)比頂流時(shí)舵效差 D.船舶首傾比尾傾時(shí)舵效差,順流時(shí)比頂流時(shí)舵效好
A.25°~32° B.20°~30° C.32°~35° D.37°~45°