- hatch stiffener
- ребро жёсткости люка
English-Russian sailing ships dictionary. 2014.
English-Russian sailing ships dictionary. 2014.
Submarine — For other uses, see Submarine (disambiguation). A Japan Maritime Self Defense Force Oyashio class submarine in 2006 A submarine is a watercraft capable of independent operation below the surface of the water. It differs from a submersible, which… … Wikipedia