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to phrases
准直管
zhǔnzhíguǎn
met.
collimator
;
tube diaphragm
phys.
collimator tube
准直管
:
31 phrases
in 9 subjects
Agriculture
1
Aviation
7
Electronics
2
General
2
Mechanic engineering
2
Mechanics
5
Metallurgy
2
Space
3
Technology
7
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