型材报关英文

Profile die型材section bar; proximate matter; structural section例如：研究了过渡金属元素氧化物对铝型材模具在盐浴氮化中的影响。Effect of oxidation of interim metal on aluminum shape mold during liquidnitrogenous had been investigated.

Aluminum materials

galssbead就是指喷砂处理,即在型材表面处理前用研磨物击打在型材表面,以获得消除挤压纹的表面效果.brushfinish应该是表面打丝处理,即型材表面处理前用飞翼轮或砂纸在型材表面获得线纹效果