Ion exchange softening Series: If Mobile - bed tower, Combined softener and Automatic softener.

离子交换软化系列：如三塔流动床、组合式软水器和全自动软水器。

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The principle, structural characteristic of floatation bed ion exchange reactor and the regeneration status of resin are introduced.

介绍了浮动床离子交换器的原理、结构特点和树脂再生情况。

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Ion exchange demineralization Series: If No pressure on the top of anion exchanger current renewable Yang, Floating Bed, In addition to carbon dioxide device and Ion exchange.

离子交换除盐系列：如无顶压逆流再生阳阴离子交换器、浮动床、除二氧化碳器和混合离子交换器。

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When I first read the story I thought it was an exchange for actual goods, like bed pans and surgical kits, a circa-1999 idea like the old Commerce One or VerticalNet.

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There was a bed in the kitchen, and he invited backpackers passing through campus to stay with him, in exchange for help building the site.

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