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operation/maintenance
telecom. 运行和维护; 运营和维护
operation maintenance
mil. 运行维护
space 操作维护
operation/maintenance: 153 phrases in 31 subjects
Agriculture2
Air defense2
Automobiles3
Aviation21
Business4
Chemistry1
Commerce1
Communications5
Computer networks2
Computers1
Earth sciences3
Economy10
Electronics29
Exhibitions1
Finances1
General2
Hydroelectric power stations6
Information technology6
International Monetary Fund1
Management1
Metallurgy1
Plastics1
Project management6
Rail transport4
Shipbuilding1
Space4
Technology18
Telecommunications10
Textile industry2
Water resources2
Wind Energy2

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