37.船舶俥葉於水中旋轉時，俥葉葉片因受不同水深壓力而致船體有偏向趨勢，操船中稱此偏向趨勢為什麼？
(A)Suction current
(B)Screw propeller race
(C)Wake current
(D)Transverse thrust/Sidewise pressure

答案：登入後查看
統計： A(7), B(22), C(12), D(156), E(0) #626790