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| 单点焊 | |||
| 单面焊; 单点点焊 | |||
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| 单面焊 | |||
| single welding: 64 phrases in 5 subjects |
| Electronics | 1 |
| Metallurgy | 26 |
| Oil / petroleum | 3 |
| Plastics | 8 |
| Technology | 26 |
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