可互换印字机印字杆
printer type bar， interchangeable
printer type bar
interchangeable
可互换打印机印字杆
interchangeable printer type bar
微算机印字机控制器
printer controller， microcomputer
printer controller
microcomputer
移印机机印
Transfer-print technology
逐字印字机
printer， character-at-a-time
printer
character-at-a-time
标签批号印字机
batch number printing machine for label
电传印字机交换服务
telewriter exchange service
teleprinter exchange service