external data exchange format
Military Exchange Format
physical design exchange format
standard parasitic exchange format
(AEC)anionic exchange capacity
~(35)S-isotopic exchange
1Cr18Ni9Ti heat exchange pipe
330 Anion Exchange Resin
330 weak alkali epoxy anion exchange resin
45 wt% ion exchange membrane caustic soda
717 anion exchange resin
717 strong-base anion exchange resin
723 cation exchange resin