, `' {& K) {1 \/ \哦. 您说的有道理哦.8 T; I8 v* y7 D4 _
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. 0 N) K4 C" h% G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?% L# X. r& m1 K