帮忙翻译下英文.挤压模方面的.多多指教

帮忙翻译下英文.挤压模方面的.多多指教
It can possibly lead to some microstructural inhomogeneity resulting in surface defects along the thin section of the key blank and introduce gradients in mechanical properties along its cross section.这句子along后面搞不清.（它可以可能导致一些表面微观结构的不均匀性缺陷.）