grid column是什么意思

网络释义

1)grid column,栅板塔2)grid tray,栅板塔盘3)turbogrid tray tower,穿流栅板塔4)dual flow grid-type column,穿流式栅板塔5)turbogrid tray,湍流栅板塔盘6)bubble cap grid tray,泡帽-栅板塔盘