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使有效
gen. validate; effectuate
dril. confirm
el. validation
使……有效
securit. validate
使有效: 63 phrases in 23 subjects
Agriculture2
Automobiles1
Aviation6
Business2
China6
Clothing1
Dentistry1
Drilling3
Economy6
Electronics3
Explosives and Explosive Ordnance Disposal2
Finances2
General7
Metallurgy1
Oil / petroleum1
Project management1
Refrigeration1
Securities1
Space4
Sports1
Technology8
Telecommunications2
Wind Energy1