positive feed with pawl and ratchet of character-spacing mechanisms inselective printers
【运输】特性间隔机构选择性打印机【运输】字符空格可选择性打印机
character-spacing mechanism selective printer
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相关词条
character-spacing mechanism
character-spacing mechanism in selective printers
character-spacing reference-line【计】
positive feed with pawl and ratchet of character-spacing mechanisms
character-spacing mechanism, adjustable
escapement with rack for character-spacing mechanism in selective printer
positive feed with pawl and ratchet of character-spacing