“letters express item”的概念、定义、翻译、参考文献-科学参考

单词	letters express item
释义	letters express item Encyclopedia 工学快件释 letters express item信件类快件以封套形式缄封的，内件是按照名址递送给特定个人或者单位的信息载体的快件。不包括书籍、报纸、刊物等。
随便看	hot gas forming of tube/hot metal gas forming hot injection molding for ceramics hot in-place recycling hot isostatic compaction of carbon/carbon composites hot isostatic pressing hot isostatic pressing diffusion bonding hot isostatic pressing sintering of ceramic matrix composites hot isostatic press sintering of ceramics hot Jupiter exoplanet hot laboratory hot launch hotline Hotline Report hot lubricating rolling hot luminescence Hot Media，Cold Media hot medicated compress hot medicated compressing therapy hot-melt fiber hot melting sizing hot melt painting hot metal detector hot metal ladle hot metal pretreatment hot metal pretreatment of dephosphorization

科学参考收录了854744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。