An etching technique used to keep the acid from those parts which are already sufficiently corroded by applying varnish or other covering matter with a brush, but allowing the acid to act on the other parts..
현재 검증된 한국어 뜻은 준비 중이며 영어 정의는 “An etching technique used to keep the acid from those parts which are already sufficiently corroded by applying varnish or other covering matter with a brush, but allowing the acid to act on the other parts.”입니다.