单词	剪開留下
释义	同Drib
随便看	packed bed packed bed filter packed bed reactor packed byte packed capillary column packed cargo packed cell packed cell volume packed-cell volume packed cell volume (pcv) packed cell volume--pcv packed cell volume; pcv packed cell volume，pcv packed code packed column packed column absorber packed column, packed tower packed column-- packed tower packed column; packed tower packed data packed data (format) packed decimal packed decimal format packed decimal key packed decimal notation