| 摘要 |
FIELD: shipbuilding. SUBSTANCE: stern for ship 10 may be modified or converted for at least two different purposes through rearrangement and removal of part 12 or 30 of stern. Stern of ship 10 may be converted to towing recess 12 or equipped with aft roller 31. Innovation is used for iceberg which is equipped with tawing recess in winter season and aft roller in summer season for operation in open water. EFFECT: higher reliability. |
