The letdown heat exchanger reduces letdown fluid temperature to a value that is compatible with the ion exchanger resin.
下泄热交换器将流体的温度降到合适的定值，这个温度下，净化床工作允许。
An additive used in a fluid to improve its flow. Friction reducer are often made of polymer or resin material that forms a slick surface on solids.
为改善流体的流动在流体中所使用的添加剂。减阻剂常由聚合物或树脂材料制成，这些材料在固体颗粒上形成光滑的表面。
A mold surface (6) of an upper mold (1) with which a fluid resin comes into contact has an oxide (3) therein.
上模(1)中的流动性树脂接触的模表面(6)上存在氧化物(3)。
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