“permeable bed”的概念、定义、翻译、参考文献-科学参考

单词	permeable bed
释义	permeable bed 透水层透水基床
随便看	countersunk rivet countersunk screw countersunk seat countersunk spigot countersunk square neck bolt countersunk washer counter SW counter switch counter telescope counter-test counter thrust counter tide counter timer counter top counter top basin counter torque countertorque countertorque braking counter trade counter train countertransference counter tube counter-twilight countertwist counter-type adder

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。