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| T形焊接; 丁字形焊接 | |||
| T 形焊接 | |||
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| T形焊接 | |||
| T 形焊接 | |||
| 丁字接头焊缝; T 形焊 | |||
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| T 形焊 | |||
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T-welding : 14 phrases in 4 subjects |
| Metallurgy | 7 |
| Plastics | 2 |
| Rail transport | 1 |
| Technology | 4 |
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