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技术论证
el.
technical demonstration
技术 论 证
:
22 phrases
in 12 subjects
Business
2
Cryptography
1
Economy
2
Electronics
3
Engineering geology
1
Explosives and Explosive Ordnance Disposal
1
Hydroelectric power stations
1
Metallurgy
1
Oil / petroleum
1
Space
3
Technology
5
Textile industry
1
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