44 When at rest on even keel, the vessel’s centre of buoyancy is directly below the centre of _______ as well as below
the metacenter.
(A)velocity
(B)speed
(C)gravity
(D)waterline
答案:登入後查看
統計: A(40), B(33), C(101), D(80), E(0) #852047
統計: A(40), B(33), C(101), D(80), E(0) #852047
詳解 (共 3 筆)
#3372220
(A)velocity 周轉率
(B)speed 速度
(C)gravity 重力
(D)waterline 水線
5
0
#3788858
(A)velocity 速度/速率/迅速
(B)speed 速度/速率/飛速/快速
(C)gravity 重力/引力/地心引力/嚴重性 (D)waterline 水線/吃水線 buoyancy 浮力/輕快/樂觀 keel龍骨
3
0