Concrete vibrator
01
콘크리트 진동기, 진동 바늘
a tool used in construction and concrete work to remove air bubbles and consolidate freshly poured concrete
예시들
The worker moved the concrete vibrator slowly through the mix to make sure it was evenly distributed.
근로자는 콘크리트 바이브레이터를 혼합물 속으로 천천히 움직여 균일하게 분포되었는지 확인했습니다.



























