1.housing the crew in a watertight cabin is obviously preferable, and to counter its buoyancy polmar suggests borrowing another idea from convair's design - floodable fuel tanks.
明显,设计一个不漏水的密闭舱体来容纳船员更为理想。
2.housing the crew in a watertight cabin is obviously preferable, and to counter its buoyancy polmar suggests borrowing another idea from convair's design - floodable fuel tanks.
明显,设计一个不漏水的密闭舱体来容纳船员更为理想。