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| 总配线架; 主配线架 | |||
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Main Distributing : 28 phrases in 12 subjects |
| Automated equipment | 1 |
| Automobiles | 2 |
| Chemistry | 2 |
| Electronics | 1 |
| Engineering geology | 1 |
| Exhibitions | 1 |
| Hydroelectric power stations | 3 |
| Information technology | 1 |
| Metallurgy | 2 |
| Mining | 1 |
| Oil / petroleum | 1 |
| Technology | 12 |