backed up 怎么理解?(关于滤网)? 分析 :“ finer”与“temporary stainless steel screens of 100 mesh ”应属相似功能的装置或部件。“backed up by perforated steel plates”用来描述“ finer”。 引证 :back up to cause to accumulate or undergo accumulation: 使聚集:引起堆积或经过积累: the accident backed the traffic up for blocks. traffic backed up in the tunnel. 事故引起了交通阻塞。在地下道中引起了交通阻塞 computer science to make a backup of (a program or file). 【计算机科学】 备份:为(程序或文件)备份 结论 :“backed up ”堆积,聚集,翻译为“多孔的铁盘聚集而成的”。查看更多