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construction operation
bridg.constr. 施工操作
met. 施工程序
tech. 施工 (作业); 施工工作
construction operations
: 21 phrases in 8 subjects
Bridge construction5
China2
Earth sciences1
Explosives and Explosive Ordnance Disposal1
Hydroelectric power stations3
Mechanic engineering1
Oil / petroleum1
Technology7