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air switch
met. 电触式气动量仪
oil 空气断路器
space 空气转换开关
wind. 空气开关
air switch: 47 phrases in 12 subjects
Automobiles12
Aviation6
Electric machinery3
Electronics7
Hydroelectric power stations1
Mechanics1
Navigation1
Oil / petroleum1
Rail transport1
Shipbuilding1
Space3
Technology10