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排烟系统
páiyān xìtǒng
avia.
purging system
hydroel.st.
smoke evacuation system
met.
exhaust system
;
fume exhaust system
;
fume extraction system
railw.
smoke extraction system
tech.
smoke exhaustion system
UN, econ.
smoke exhaust system
排烟系 统
:
10 phrases
in 7 subjects
Aviation
1
Hydroelectric power stations
2
Metallurgy
1
Nuclear and fusion power
2
Refrigeration
1
Steel production
1
Technology
2
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