has a good overrall cleanliness 有良好的外型清洁
A great deal of tests show that the finishing equipment has a very good effect on reducing crank's surface roughness, increasing its microhardness and cleanliness.
同时经过大量的实验验证，光整加工设备对降低曲轴表面粗糙度、提高表面显微硬度和清洁度能够起到很好的效果。
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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