The Single Best Strategy To Use For g76toto
나사 가공시에는 공작물의 직경에 의한 회전수 변화가 생기면 나사의 피치가 일정하게 나오지 않습니다.Useful Machinist is the easiest way to know new strategies, get solutions quickly and examine frequent troubles with all your friends. Sign up for the world’s premier production technology Discussion board wit