lagan + be + recovered
recover 意为“回收、打捞”，常与 lagan 搭配。
The lagan was recovered after the storm.
风暴过后，系有浮标的投海货物被打捞上来。
系有浮标的投海货物
发现于或留在海底的货物或材料,系有指示所有权的漂浮标记。
goods or wreckage on the seabed that is attached to a buoy so that it can be recovered
法律用语
发现于或留在海底的货物或材料,系有指示所有权的漂浮标记。
Goods or materials found or left on the sea floor, attached to a floating marker that indicates ownership.
Following the buoy line, the divers pulled the lagan up from the seabed.
潜水员沿着浮标线，把系有浮标的投海货物从海底拉了上来。
用法提示：此处 lagan 为名词，指系有浮标的投海货物，在句中作 pulled up 的宾语。
The court ruled that lagan bearing a marker buoy belongs to the original owner, not the finder.
法院裁定，带有标识浮标的投海货物归原主所有，而非发现者。
用法提示：此处 lagan 为不可数名词，作主语，表示系有浮标以便回收的海底货物。
Local fishermen often get their nets caught on lagan left behind by old shipwrecks.
当地渔民的渔网经常被旧沉船遗留的系有浮标的投海货物缠住。
用法提示：此处 lagan 为名词，作介词 on 的宾语，指系有浮标的投海货物。
recover 意为“回收、打捞”，常与 lagan 搭配。
The lagan was recovered after the storm.
风暴过后，系有浮标的投海货物被打捞上来。
该用法对应 lagan 的法律定义：货物系有浮标以便回收。
The lagan is attached to a buoy so that it can be found later.
这些投海货物系在浮标上，以便日后发现。
区分：flotsam指漂浮在海面、随波漂流的沉船残骸或货物，没有系浮标；lagan则是系有浮标、沉在海底以便日后打捞的货物。
区分：jetsam是船员主动抛入海中（通常为减轻重量）的货物，会漂到岸边或沉入水中，没有浮标；lagan是有意系上浮标、准备日后回收的投海货物。
漂流物、投弃物与系有浮标的投海货物
Maritime law has long distinguished flotsam, jetsam, and lagan from abandoned property.
海事法长期以来区分漂流物、投弃物和系有浮标的投海货物与抛弃物。
系有浮标的投海货物
The court held that the cargo was buoyed lagan, so the owner could still claim it.
法院认定这批货物是系有浮标的投海货物，因此货主仍可主张权利。
取回系有浮标的投海货物
The salvage team carefully recovered the lagan once the marker buoy was located.
打捞队在找到浮标后小心地取回了那批系有浮标的投海货物。
Dictionary facts from ECDICT, WIKTIONARY.