台式墙挂两用自动电话机
desk-wall automatic telephone set
步进制市内用自动电话交换机
step-by-step system local automatic telephone exchange
发电机用自动调压器
automatic voltage regulator for generator
浮动发电机用自动调压器
automatic voltage regulator for floating generator
家用自动电话报警
household automatic phone alarm system
石油钻机用电动机
Motors specialinged for oil well rigs
压缩机用电动机
compressor motor
electric motor for compressor
直流发电机用自动调压器
automatic voltage regulator for DC generator
专用自动电话交换机
PABX
private automatic branch exchange
Battered
private automatic telephone exchange
专用自动电话局
dial private branch exchange