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| reach of channel; wall panel | |||
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| wall panel | |||
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槽段 : 45 phrases in 11 subjects |
| Dentistry | 1 |
| Drilling | 1 |
| Earth sciences | 1 |
| Ecology | 1 |
| Engineering geology | 6 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Hydroelectric power stations | 2 |
| Oil / petroleum | 1 |
| Plastics | 6 |
| Technology | 24 |
| Wind Energy | 1 |
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