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| подземные коммуникации | |||
| подземный канал | |||
| подземный трубопровод; дукер (水管，煤气管); дюкер (如水管、煤气管等); коммуникации подземного хозяйства | |||
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地下 管 道 : 24 phrases in 7 subjects |
| Construction | 2 |
| Electronics | 2 |
| General | 11 |
| Hydrology | 1 |
| Oil / petroleum | 1 |
| Oil processing plants | 1 |
| Technology | 6 |
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