停止泵压，关闭柱的出口，去除填压用的贮液器。首先从试管架上卸下柱体，然后从槽上拧下贮液器，这样就很容易完成。
Stop the pump, close the column outlet and remove the packing reservoir. This is most easily done by first removing the column from the stand and then unscrewing the reservoir over a sink.
该输氧器结构简单、安全可靠、贮氧量大、保压时间长。
The oxygen respirator is with simple structure, high reliability, large oxygen storage and long time for keeping pressure.
该输氧器结构简单、安全可靠、贮氧量大、保压时间长。
The oxygen respirator is with simple structure, high reliability, large oxygen storage and long time for keeping pressure.
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