흄관 매설 작업 : 윈치로 내린 콘크리트관, 수직 구덩이에 끼워 넣기
Published October 5, 2026
Views 41.5K | Likes 52 | Comments 0
Ranked #12,983,093 globally by view count, this video has accumulated 41.5K views since it was published on Oct 5, 2026.
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