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| contact wheel; seam-welding electrode; wheel electrode | |||
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滚极 : 20 phrases in 8 subjects |
| Construction | 1 |
| Metallurgy | 3 |
| Outdoor activities and extreme sports | 2 |
| Plastics | 3 |
| Rail transport | 1 |
| Space | 2 |
| Technology | 7 |
| Textile industry | 1 |
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