问题
单项选择题
A vessel’s bottom will be subjected to tension when weight is concentrated().
A.amidships
B.aft
C.at both ends of the vesel
D.forward
答案
参考答案:A
A vessel’s bottom will be subjected to tension when weight is concentrated().
A.amidships
B.aft
C.at both ends of the vesel
D.forward
参考答案:A