Report - 제4장비틀림(Torsion) - contents2.kocw.or.krcontents2.kocw.or.kr/KOCW/document/2017/chungbuk/chohaeyong/6.pdf · 또는회전모멘트(torque)라한다. 정의-그림4-1비틀림과전단응력(1)

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