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to phrases
通风洞
tōngfēngdòng
stresses
gen.
воздушный шурф
;
вентилятор
(отдушина)
mining.
вентиляционный ствол
tech.
вентиляционная трубка
;
вентиляционное углубление
通风洞
:
1 phrase
in 1 subject
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