* q$ B9 I% j0 u5 x8 s( g; K* g哦. 您说的有道理哦.# w0 w% z. R0 l$ h' E, s
上下文是这样的: We have made a decision to upgrade the finish to a PS100 Zinc & Yellow Passivate with a Bleach Seal for the eyebolt only. This increases the protection massively without having to increase the thickness of the coating. 4 j0 ^6 ]" k" J: Z" w
不知道在电镀后上封闭剂这一工艺中有没有什么概念或标准是PS100的呢?9 t, Q7 Y5 k x& p* z