49 假如船體之重量集中於船舯部,使得舯向下面,艏艉向上,稱之為下列何者?
(A)Topping
(B)Hogging
(C)Sagging
(D)Stowage

答案:登入後查看
統計: A(0), B(6), C(41), D(0), E(0) #641790