It is shown that the microstructures, alloying element distribution and magnetic conductivity of P tude remarkably differ from those of s tube.
结果表明，两种渗碳管的组织、合金元素分布及导磁性存在着显著差别。
It is shown that the microstructures, alloying element distribution and magnetic conductivity of P tude remarkably differ from those of s tube.
结果表明，两种渗碳管的组织、合金元素分布及导磁性存在着显著差别。
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