심층혼합처리선

Deep Mixing Barge

심프슨공식

Simpson`s Rule

심해측심기

Deep Sounding Machine

심해측심추

Deep Sea Lead

심해측연

Deep Sea Lead

십자형이음

Cruciform Joint, Cross Shaped Joint

싱커

Sinker

쌍가닥 파이프

Breeches Pipe

쌍기통기관

Double Cylinder Engine

쌍끌이트롤선

Two Boat Trawler, Bull Trawler