1、Technology and Mechanism of Electrolytic Etched Graining of Al-Mg-Si Alloy
Al-Mg-Si合金表面電解刻蝕圖紋化工藝過程與機制

2、We could also see graining on the rear tyres here too.
這里后臺也會出現(xiàn)?；?/p>

3、Hair like graining is also evident in some of them.
頭發(fā)像木紋也很明顯，在其中的一些。

graining翻譯