英语词汇“protectograph”的翻译、意思、用法、释义-英汉双解词典-注文网

单词	protectograph
释义	protectograph [prә'tektә^rɑ:f] 保护装置书写机
随便看	track circuit interrupter track circuit layout track circuit length track circuit permissive block track circuit phasing track circuitrepeater track circuit selection track circuit shunting track circuit signalling track-circuit signalling track circuit territory track circuit theory track circuit transformator track circuit wire track classification track clear track clearance track clearer track-clearer track coach track code track coding trackcoil track combine track-command guidance 居人共住武陵源居人匹马映林嘶居人未改秦衣服居人见月一月行居人走出半仓皇居士先生老矣居延城外又移军居然万化咸应改居然成濩落居者税屋椽はら黒いはりはりはりはりはりはり【張り】はり【梁】はり【玻璃】はり【針】