2단 풀오버, 2단 리버싱, 3단 롤링밀의 세 가지 주요 유형과 금속 가공에서의 응용 분야를 살펴보세요.
This website uses cookies to enhance your browsing experience,
analyze site traffic, and serve better user experiences. By continuing to use this site, you consent to our use of
cookies. Learn more in our cookie policy.