일반기계기사 실기 "2d답안도면" 치수기입 & 도면해독 (자격증의모든것dc)

2020 1:26:39
Synopsis
CHAPTER 00:00 인트로 00:52 치수기입 21:07 지름 / 끼워맞춤 공차 32:50 본체 37:35 본체 - 끼워맞춤공차 43:33 본체 - 거칠기 ...
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