... crumb softener 柔软剂 ion exchange softener 离子交换软水器... free-flowing softener 易流动软化剂...
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regeneration of ion-exchange softener 离子交换软化剂的再生
lace screen ion exchange softener 离子交换软化器
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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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