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to phrases
空气门
el.
air extraction vent
;
air valve
;
vent
;
vent valve
tech.
air gate
空气门
:
66 phrases
in 9 subjects
Automobiles
25
Aviation
16
Chemistry
1
Electric machinery
1
Electronics
5
Environment
1
Metallurgy
2
Shipbuilding
1
Technology
14
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