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| fusion gas welding | |||
| gas fusion welding | |||
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气熔 焊 : 20 phrases in 7 subjects |
| Automobiles | 2 |
| Chemistry | 4 |
| Metallurgy | 6 |
| Nautical | 1 |
| Oil / petroleum | 1 |
| Rail transport | 1 |
| Technology | 5 |
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