“门框上帽头”的概念、定义、翻译、参考文献-科学参考

单词	门框上帽头
释义	门框上帽头 head-rail
随便看	sheet-fed offset press sheet-fed offset rotary press sheet-fed press sheet-fed rotary letterpress sheet-fed rotogravure sheet-fed single colour perfector sheet-fed stop cylinder press sheet feed sheet feeder sheet feeding device sheet fiber sheet film sheet film camera sheet film holder sheetflood sheet flood sheet flooring sheet flow sheet flow sheetwash sheet-folding machine sheet format sheet former sheet forming sheet-forming machine sheet frost

科学参考收录了1248194条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。