sister ships

同根派生

The keel of her sister ship will be laid by the time she discharges at Calcutta.
等它在加尔各答卸货的时候，它的姊妹船的龙骨就会铺好啦。
Her sister ship the QE (Queen Elizabeth) II solves this problem by using aluminum for her upper decks which is lighter than steel.
她的姐妹邮轮伊丽莎白二号是通过使用铝来制造上层甲板来解决这个问题的。铝要比钢轻。
New Trends of British Arrest of Sister Ships
英国扣押姊妹船的新发展
fellow traveler; brother workers; sister ship.
同路人；工人兄弟；姊妹船。
The lifeboat went out to a ship in distress.
救生船去救一艘遇险的船只。