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reach of channel; wall panel | |||
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wall panel |
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 |