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| 完全焊透 | |||
| 全熔透 | |||
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| 全熔透; 全焊透 | |||
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full penetration : 10 phrases in 8 subjects |
| Chemistry | 1 |
| Cryptography | 1 |
| Electronics | 1 |
| Hydroelectric power stations | 1 |
| Metallurgy | 1 |
| Nuclear and fusion power | 2 |
| Oil / petroleum | 2 |
| Technology | 1 |
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