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| 夯实土用冲击法 | |||
| 冲击法 | |||
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| 钢流氩气保护 | |||
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impact method : 19 phrases in 7 subjects |
| Agriculture | 1 |
| Business | 1 |
| Ecology | 1 |
| Metallurgy | 2 |
| Space | 1 |
| Technology | 12 |
| Water resources | 1 |
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