After rolls over the hoop surface cleanliness has to the Pu board surface and zinc plate coating seriously affects not good.
轧后带钢表面清洁度对普板表面及锌板镀层均有严重不良影响。
After rolls over the hoop surface cleanliness has to the Pu board surface and zinc plate coating seriously affects not good.
轧后带钢表面清洁度对普板表面及锌板镀层均有严重不良影响。
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