问题
单项选择题
If the buoyant force on a ship’s hull is equal to the displacement tonnage, the ship cause（）.
A.require ballast
B.be down by the head
C.sink
D.float
答案
参考答案：D
搜题请搜索小程序“爱下问搜题”
If the buoyant force on a ship’s hull is equal to the displacement tonnage, the ship cause（）.
A.require ballast
B.be down by the head
C.sink
D.float
参考答案：D
