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automatic relay
telecom.	自动继电器; 自动中继

automatic relay : 60 phrases in 14 subjects

Air defense	1
Automobiles	5
Aviation	6
Communications	4
Electric machinery	2
Electronics	8
General	4
Information technology	2
Rail transport	2
Shipbuilding	1
Space	6
Technology	13
Telecommunications	5
Wind Energy	1