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| intermediate pole | |||
| centre pole; middle pole | |||
| 中间杆: 45 phrases in 8 subjects |
| Architecture | 1 |
| Automobiles | 16 |
| Bridge construction | 3 |
| Construction | 2 |
| Drilling | 1 |
| Metallurgy | 1 |
| Oil / petroleum | 1 |
| Technology | 20 |
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