1)  Retraction
缩回
2)  Collapse recovery
皱缩回复
3)  pressure recovery
压缩回收
4)  concentration and recovery
浓缩回收
1.
The experimental study of concentration and recovery of sodium sulfate(Na 2SO 4) from its solution was done with electrodialysis process.
本文介绍了采用离子交换膜电渗析法对硫酸钠溶液进行浓缩回收的试验研究。
5)  Concentration and reinfusion
浓缩回输
6)  compressive resilience
压缩回弹
参考词条
补充资料：缩回
1.犹收回。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。