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to phrases
change over switch
el. 切换开关; 转换〔换向〕开关
geophys. 开关转换
tech. 转换开关
change-over switch
compr. 换向开关; 双向开关; 转接开关; 切换开关
el.mach. 转换开关
met. 双投开关
change over switch
: 17 phrases in 8 subjects
Automobiles5
Aviation2
Electric machinery1
Electronics1
Metallurgy2
Technology3
Telecommunications1
Wind Energy2

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