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空气污染控制 kōngqì wūrǎn kòngzhì
auto. air-pollution control
environ. air pollution control
tech. air contamination control
wind. control of air pollution
空气污染控制
: 37 phrases in 9 subjects
Architecture1
Aviation2
Earth sciences11
Environment7
General3
Metallurgy2
Space2
Technology7
United States2