저온용접

Low Temperature Welding

저온응력제거

Low Temperature Stress Relieving

저온취성

Low Temperature Embrittlement

저인망어선

Trawler, Danish Trawler

저탄소강

Low Carbon Steel

저합금강

Low Alloy Steel

저항

Resistance

저항납땜

Resistance Brazing

저항불꽃맞댐용접

Resistance Flash Butt Welding, Flash Butt Welding

저항시험

Resistance Test