살돋움

Padding

살돋움나사

Plus Thread

살로그

Sal Log

살롱

Saloon

살수기

Director

살수장치

Sprinkler System

삼각주상단부표

Junktion Buoy, Upper End Buoy

삼각주하부단표

Junktion Buoy, Lower End Buoy

삼단공기압축기

Three Stage Air Compressor

삼등기관사

Third Engineer