将减压器安装到气瓶上，然后将其连接到充气单元的连接管路上。
Fit pressure reducer onto gas bottle and connect to connecting line of filling unit.
任何管路的限制将会改变流量式减压器的运行特性。
Any line restriction downstream of the unloader will change the Flow -actuated unloaders operating characteristics.
目的：对经二级减压器吸氧的管路进行改进，以降低吸氧阻力。
Methods This device accesses oxygen storage devices in the original pipeline which absorbs oxygen in the atmospheric with the second grade pressure reducer.
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