내연터빈

Internal Conbustion Turbine

내열시험

Fire resisting Test, Test for Flame Resistance

내용골

Keelson

내저종늑골

Inner Bottom Longitudinal

내저판

Inner Bottom Plate, Tank Top Plate

내항

Inner Harbor

내항선

Domestic Vessel

내해성

Seaworthiness

내헌공

Seakeeping

내화격벽

Fire Resisting Bulkhead