plataforma petrolera semisumergida
/rexˈistɾo ˈsismiko/
n
English: semisubmersible platform · 半潜式平台
Significado：Movable structure that is anchored to the seabed and used at depths of 100 to 500 m; it is mounted on pontoons submerged at about 30 m to provide stability. production platform