A-A+
In the constant－tension mooring the mooring lines holding the ship to the pier will maint..
问题详情
A.without the necessity of manually adjusting the lines
B.without the necessity of automatically adjusting the lines
C.with the necessity of manually adjusting the lines
D.with the un-necessity of automatically adjusting the lines
请帮忙给出正确答案和分析，谢谢！
