The effects of RE in dyeing process were studied initially in this paper.
本文对稀土（RE）在皮革染色过程中所起的作用进行了初步探讨。
With this special requirement of surface colouration, general dyeing process is not available.
对于这种表面着色的特殊要求，一般染色工艺是达不到的。
With this special requirement of surface colouration, general dyeing process is not available.
对于这种表面着色的特殊要求，一般染色工艺是达不到的。
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