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火口 huǒkǒustresses
gen. кратер; горелка
railw. топочное отверстие
tech. отверстие топки
火口
: 133 phrases in 13 subjects
Astronautics1
Astronomy1
Aviation1
Construction2
Electronics4
General42
Geology26
Jet engines1
Metallurgy3
Military8
Missiles1
Oil processing plants4
Technology39