紧密度紧密性填充度compactflash: cf卡; 压缩闪存compacted-earth lining: 夯土衬砌compactflash and securedigital slot: 率先采用双插槽compacted yarn: 气流喷射交缠丝compactflash reader cf: 卡读卡器下载手机词典可随时随地查词查翻译