1)combined changeover switch,组合转换开关2)switch bank,转换开关组3)battery switch,电池组转换开关4)hybrid transfer switch,混合式转换开关5)GSW Group SWitch,群组转换,用户组开关6)transfer switch,转换开关
用法例句
In these years,a new type transfer switch has been put forward a hybrid transfer switch which combines the solid state switches and the mechanical switches.