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나사 가공시에는 공작물의 직경에 의한 회전수 변화가 생기면 나사의 피치가 일정하게 나오지 않습니다.Follow combined with the video underneath to find out how to setup our web site as an online app on your private home display. Take note: This attribute is probably not offered in certain browsers. Log in Regist