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to phrases
准直标
tech.
collimation mark
(志)
准直标:
52 phrases
in 21 subjects
Aviation
11
Business
2
Computers
1
Desert science
1
Drilling
1
Ecology
1
Economy
1
Electric machinery
1
Electronics
2
Explosives and Explosive Ordnance Disposal
1
Footwear
1
General
1
Mathematics
2
Mechanic engineering
2
Mechanics
5
Metallurgy
1
Oil / petroleum
2
Patents
1
Project management
1
Statistics
1
Technology
13
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