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地下管线 dìxià guǎnxiàn
eng.geol. underground utilities
tech. conduit tube; subterranean line; subterranean pipeline; underground line; underground pipeline; underground tube ties; underground utility; underground installation
地下敷设管线
plast. country pipeline
地下 管线: 12 phrases in 6 subjects
Architecture1
China1
Earth sciences1
Oil / petroleum2
Plastics1
Technology6