我们公司生产的侧壁通风管道的格子窗框架和刀刃采用6063型号的挤制铝材，用200-R1阳极化抛光。

Frame and blades are 6063 extruded aluminum alloy with 200-R1 satin anodized finish.

youdao

我们公司生产的侧壁通风管道的格子窗框架和刀刃采用6063型号的挤制铝材，用200-R1阳极化抛光。

Frame and blades are 6063 extruded aluminum alloy with 200-R1 satin anodized finish.

youdao