& R% n+ l5 ?4 K$ i哦. 您说的有道理哦. 3 x7 O3 N" ]- G6 \ 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. 7 D7 K& P+ }, e+ Q! d# Q
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?# m. `7 P- X$ q