“upper ram”概念、定义、翻译-科学时代

单词	upper ram
释义	工程与技术词汇手册 upper ram 上柱塞
随便看	character key character lesion character line character line equation character management character map character master character mode terminal character of people character of practice characterology characterology Character-oriented Protocol character-oriented protocol character per frame character piece character rating character readout system character recognition character recognition character recognition character recognition character recognition character recognition criterion character roll

科学时代收录了1160609条科普词条，基本涵盖了常见科普常识及英语词汇的翻译，是科学学习和研究的有利工具。

upper ram