8.自船艏朝向船艉方向看時,所看見的螺槳葉面為:
(A)正面(Driving surface;Front)
(B)壓力面(Pressure surface)
(C)推力面(Thrust surface)
(D)拉力面(Drag surface)
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統計: A(18), B(14), C(57), D(262), E(0) #738090
統計: A(18), B(14), C(57), D(262), E(0) #738090