Jetty

돌출제방

Joggled Lap Joint

맞물림 겹치기이음

Jump Spark Ignition, High Tension Ignition

불꽃점화

Junktion Buoy, Upper End Buoy

삼각주상단부표

Junktion Buoy, Lower End Buoy

삼각주하부단표

Jack

선수기

Jack Staff

선수깃대

Joiner Plan

선실목공도

Junction Box, Joint Box

연결함

Jacket

재킷