潜水艇沉浮箱 Ballast Tank

潜水艇的沉浮箱 ballast tank

浮式沉箱 floating caisson ; float caisson ; Caisson floating

不对称浮式沉箱 unsymmetry floating caisson ; unsymmetrical floating caisson ; unsymmetry floating caisson west bank

对称式浮沉箱 symmetrical floating caisson

直隔壁浮式沉箱 verlical partition floating caisson ; verlical partition floating caisson west bank

沉箱浮坞 [船] box caisson dock

网箱沉浮装备 [水产] net cage positioner

自由浮动沉箱式闸门 freely floating pontoon