同义词
1)receive only typing reperforator,只接收打字穿孔机2)receive-only typing reperforator (ROTR),只接收打印穿孔机3)receive-only typing reprerforator (ROTR),接收用打字穿孔机4)typing reperforator,电传打字收报凿孔机，打字复穿孔机5)ROPP Receive Only Page Printer,只收页面打印机，电传打字接收机6)perforating typewriter,punch typewriter,穿孔打字机
