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气流层
refrig.
air layer
气 流 层
:
48 phrases
in 20 subjects
Air defense
1
Automobiles
2
Aviation
4
Cartography
1
Chemistry
1
Desert science
1
Earth sciences
3
Ecology
1
Electronics
1
Environment
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General
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Metallurgy
2
Mining
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Nursing
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Oil / petroleum
1
Rail transport
1
Space
8
Surgery
1
Technology
11
Wind Energy
4
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