Frames to which the tank top and bottom shell are fastened are called ______.
A.intercostals
B.stringers
C.tank top supports
D.floors
正确答案:D
固定在舱顶和船底间的肋骨架构叫做肋板
Frames to which the tank top and bottom shell are fastened are called ______.
A.intercostals
B.stringers
C.tank top supports
D.floors
正确答案:D
固定在舱顶和船底间的肋骨架构叫做肋板