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| 钢管的钢闷头 | |||
| 钢闷头; 钢隔框; 钢隔板; 钢板桩驳岸壁; 钢板舱壁; 钢板驳岸; 隔仓; 管的钢盖头; 钢板隔壁 | |||
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steel bulkhead : 10 phrases in 3 subjects |
| Hydroelectric power stations | 1 |
| Oil / petroleum | 1 |
| Technology | 8 |
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