6 @1 N! `5 c' w7 Y' L0 a哦. 您说的有道理哦. & v! }* }( j/ o: _! t8 H0 `" @ 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. & N% r x. @9 z
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?8 |0 Z+ n8 g. I