ACstaticswitch交流静态开关ACswitch交流转换开关auxiliaryheaterswitch辅助加热器开关auxiliaryswitch辅助开关auxiliaryswitchgear厂用配电装置bandswitch波段选择器;波段转换开关bandswitching波段变换band-switching频段转换bankswitching存储库开关bank-and-wiperswitch触排和接帚开关;触排及弧刷转接器;双动选择器barometricpressureswitch气压继电器barometricswitch气压开关barrelswitch筒形开关;鼓形开关basicswitchingterm基本转换项bat-handleswitch铰链式开关;棒球柄开关;手柄开关batterychargingswitch充电转换开关batteryreverseswitch电池转向电闸batteryswitch电池转换开关battery-conservingswitch节电开关Baudrateswitch波特速率选择开关beamlobeswitching波束瓣转换法beamswitch束开关beamswitching波束转换;射束变向;射束转换法beamswitchingfrequency射束开关频率beamswitchingtube射束开关管;射束转换管;射线开关管beamswitchyard束流分配装置beam-switchingtube电子注开关管bearing-senseswitch定向转换开关bilateraldiodeswitch双向二极管开关bilateralswitching双通开关;双向转换billetswitch坯料分配器binhomeswitch分页格位开关binary-codedswitch二进制码开关bitswitch按位开关blockswi