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| going barrel | |||
| rotating barrel | |||
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旋 转 鼓 : 28 phrases in 9 subjects |
| Architecture | 1 |
| Construction | 1 |
| Ecology | 1 |
| Information technology | 1 |
| Laboratory equipment | 3 |
| Metallurgy | 2 |
| Plastics | 3 |
| Refrigeration | 1 |
| Technology | 15 |
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