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空气发生器煤气
chem. air-producer gas
空气发生炉煤气
chem. air-producer gas
空气煤气
met. air gas
空气 煤气: 32 phrases in 9 subjects
Automobiles1
Aviation1
Chemistry2
Electronics2
Metallurgy13
Refrigeration1
Shipbuilding1
Technology10
Textile industry1