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| 管柱; 钢管混凝土柱 | |||
| 管子柱; 管束 | |||
| pipe column: 19 phrases in 7 subjects |
| Architecture | 1 |
| Bridge construction | 2 |
| Electronics | 1 |
| Engineering geology | 3 |
| Hydroelectric power stations | 1 |
| Metallurgy | 2 |
| Technology | 9 |
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