[电]?双绕组

... 双绕线圈 double wound coil 双绕组 duplex winding 双绕组串激伺服电动机 split-series servomotor ...

?双分绕组

... 双单位管 duplex tube 双向绕组；双分绕组；双重绕组 duplex winding 双二极五极（复合）管 duplex-diode pentode ...

?双重绕组

... duplex triode || 双三极管 duplex winding || 双重绕组(包括双叠绕组，双波绕组) duplex(pressure)gauge || 双工(双针)压力表 ...

?串并联绕组

串并联绕组: duplex winding; series parallel windin..