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| complete penetration and fusion in welding | |||
| complete joint penetration; full joint penetration | |||
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全焊透 : 20 phrases in 9 subjects |
| Chemistry | 1 |
| Electric machinery | 1 |
| Electronics | 1 |
| Metallurgy | 7 |
| Nautical | 1 |
| Nuclear and fusion power | 2 |
| Oil / petroleum | 3 |
| Steel production | 3 |
| Technology | 1 |
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