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一次空气
yīcì kōngqì
met.
main
combustion
air
;
primary air
tech.
fresh air
;
underfire air
一次空气
在参与燃烧的空气中,最初接触燃料,进行氧化反应的空气,称为一次空气
yīcì kōngqì
ecol.
primary air
一次 空 气
:
5 phrases
in 3 subjects
Metallurgy
2
Refrigeration
1
Technology
2
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