With elongated treated time and increased thickness of coating, loose coating begins to appear on the coating exterior, at last the thickness can reach 90% of total thickness.
随着处理时间的延长及膜层的增厚，其外侧开始出现疏松层，最终可达到膜层总厚度的90 %左右。
With elongated treated time and increased thickness of coating, loose coating begins to appear on the coating exterior, at last the thickness can reach 90% of total thickness.
随着处理时间的延长及膜层的增厚，其外侧开始出现疏松层，最终可达到膜层总厚度的90 %左右。
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