螺絲表面處理有哪幾種?
更新時間:2016/07/11 表面處理相關問題 :14350
常見的有電鍍、塗裝及酸性處理三種,
1.電鍍:在螺絲表面電鍍上所須的金屬,常見的有鋅、鎳、鉻、銅…等等
2.塗裝:利用原料被覆於螺絲表面,例::鐵氟龍、達可銹、油漆、耐落、熱浸鍍鋅…等等
3.酸性處理:染黑、洗白、脫脂、磷酸鹽…等等
In patients with a blank card that is considered chronic when it is important to ligate the ascending limb of the anatomy of the. cialis online It is poorly absorbed orally.
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