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| flushing hole | |||
| flushing port | |||
| flushing manhole | |||
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冲洗 孔 : 22 phrases in 6 subjects |
| Coal | 1 |
| Construction | 1 |
| Engineering geology | 3 |
| Explosives and Explosive Ordnance Disposal | 7 |
| Hydroelectric power stations | 1 |
| Technology | 9 |
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