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| 工程网 | |||
| 公用服务设施; 通用公共设施 | |||
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| 工程网路; 工程管道网工程网路 | |||
| 工程管路; 工程管道网 | |||
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инженерные сети : 5 phrases in 2 subjects |
| General | 3 |
| Name of organization | 2 |
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