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| 包角焊 | |||
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| 密封焊 | |||
| 致密〔密封〕焊缝 | |||
| 气密焊缝 | |||
| 密封焊道; 密封焊缝 | |||
| 密封焊接 | |||
| 致密焊缝; 密封焊 (道); 填焊 | |||
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