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8床或5床切回10床前，为什么必须检查离线（将要在线）吸附器内的杂质水平？

答案

参考答案：

如果将要投入运行的吸附器内杂质含量比较高，而切回10床后进行的升压或吸附步骤，

这样就会导致杂质超载，严重时将损坏吸附剂，所以在切回10床前，应先将杂质含量高的吸附剂降压、吹扫，然后将其压力调整到切换步位要求的数值。

多项选择题

( )共同构成了质量管理的系统过程。

A．计划

B．实施

C．检查

D．处置

E．监督
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填空题

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