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foul air
 foul air
expl. 污浊空气
tech. 浊气; 污秽空气
| flue
 flue
exhib. 暖气管
met. 煤气道; 空气道; 火道
oil 通气道
tech. 炉胆

to phrases
foul air
expl. 污浊空气受到井下浮尘、有害气体污染的空气
tech. 浊气; 污秽空气
wind. 污浊空气
foul air: 24 phrases in 2 subjects
Electronics1
Technology23