In addition, for corrosion reducing and retarding, it is necessary to use steam directly to heat contactor to remove acidic vapor and to lead acidic vapor into gas system.
另外，用直接蒸汽加热接触器以脱出酸性气体，并将酸性气体引入煤气系统，对于减缓腐蚀十分必要。
The tracing polymer as one of the corrosion retarding and scale inhibiting components can indicate the effective concentration of the composite chemical accurately.
本水处理剂应用的示踪性聚合物是复合药剂中起缓蚀、阻垢作用的组分之一，因此可以更准确地指示复合药剂的有效浓度。
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