“protocambium”的概念、定义、翻译、参考文献-科学参考

单词	protocambium
释义	protocambium 原形成层
随便看	packing (stuffing) box (case) packing supplies packing support packing theory packing tightening packing timber packing tool packing up packing void fraction packing volume packing washer packless packless joint packless matrix packless seal packless valve pack mill packplane pack pressure dynamometer pack radio section pack radio set pack-rolled pack-rolled sheet pack rolling pack-rolling

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。