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1. The filler weld was used to repair the damaged area.
填充物焊接用于修复受损区域。
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2. The welding process requires precise control of the filler material.
焊接过程需要精确控制填充材料。
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3. The filler weld was applied evenly to ensure a strong bond between the two pieces.
填充物焊接被均匀应用以确保两块之间的牢固结合。