28.下列螺槳圖示中第⑤項所標示部位的名稱為:
(A)拉力面(Drag surface)
(B)浸水面(Wetted surface)
(C)正面(Driving surface;Front)
(D)背面(Back surface)
答案:登入後查看
統計: A(15), B(19), C(65), D(12), E(0) #1202491
統計: A(15), B(19), C(65), D(12), E(0) #1202491