半はん潜せん水すい

noun-modifying (irregular)

semi-submersible

Technical term used attributively to describe vessels or platforms that operate partially submerged, such as semi-submersible rigs or ships.

• 半はん潜せん水すい型がたの石せき油ゆ掘くっ削さくリグが導どう入にゅうされた。

  A semi-submersible oil drilling rig was introduced.