온수온돌기능사 실기_제4강 강관커팅 및 나사절삭(4/6)[2020년이전 구버전]
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Channel: 에듀강닷컴TV
Views: 87,515
Rating: undefined out of 5
Keywords: 동관벤딩, 온수온돌기능사, 온수온돌기능사 강관커팅, 온수온돌기능사 나사절삭, 온수온돌기능사 조립작업
Id: xSLVrGsRpeI
Channel Id: undefined
Length: 35min 8sec (2108 seconds)
Published: Tue Nov 03 2020
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