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渗碳休数量的百分比,按数量最多的视场对照图片进行评定。评定时主要考虑其含量,而对形态考虑较少,若有必要,可在报告中注明形态。试样用2～5%硝酸酒精溶液侵蚀。放大倍数为100倍.
The percentage of carburizing Hugh Hugh, by the largest number of field-controlled images were assessed. The main consideration when assessing its content, while less consideration for the form, if necessary, can be specified in the report form. Samples with 2 to 5% nitric acid solution of alcohol erosion. Magnification of 100 times.