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transfer switch
avia. 转换开关
chem. 换向开关
hydroel.st. 切换开关
oil 转接开关
space 传输[换接]开关
transfer switch: 31 phrases in 13 subjects
Automobiles3
Aviation5
Chemistry1
Electronics3
Geophysics1
Information technology1
Navigation1
Nuclear and fusion power2
Rail transport2
Securities1
Space3
Technology6
Wind Energy2