(of a mechanical device) Having different controls for its actuation in different directions, especially of an engine valve that is positively closed by a cam and leverage system rather than springs..
현재 검증된 한국어 뜻은 준비 중이며 영어 정의는 “(of a mechanical device) Having different controls for its actuation in different directions, especially of an engine valve that is positively closed by a cam and leverage system rather than springs.”입니다.