沉船沉物强制打捞 compulsory salvage of shipwrecks or sunken objects; compulsorysalvageofshipwrecksorsunkenobjects
沉船沉物打捞强制措施 compulsory measures with respect to salvage of shipwrecks or sunken object; compulsorymeasureswithrespecttosalvageofshipwrecksorsunkenobject