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| 焊接用铝热剂; 焊接用 铝热剂 | |||
| 焊接用铝热剂 | |||
| welding thermit: 35 phrases in 5 subjects |
| Electronics | 1 |
| General | 2 |
| Metallurgy | 11 |
| Oil / petroleum | 1 |
| Technology | 20 |
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