 |
| |||
| 多层焊叠置次序; 叠置次序 | |||
| 分段多层焊 | |||
| |||
| 滑轮系列跳伞造型 | |||
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block sequence : 28 phrases in 10 subjects |
| Aviation | 1 |
| Biotechnology | 2 |
| Computer numerical control | 1 |
| Electronics | 3 |
| Genetics | 1 |
| Information technology | 1 |
| Metallurgy | 1 |
| Rail transport | 1 |
| Technology | 15 |
| Telecommunications | 2 |