- caulking weld
- 密实: closely knit; dense; thick
- 焊缝: soldering seam; weld bead; w ...
- 不密实焊缝: leaky seam
- 密实强固焊缝: tight-strong weld
- 焊缝: soldering seam; weld bead; weld joint; weld seam; welded joint; welded seam; welding seam; seal; sealing; sealing run; shut; brazing seam
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