tangcarlos3d 发表于 2013-1-22 20:50 static/image/common/back.gif q* i4 x; i9 e9 A
估计是工艺规程的编号。$ w9 p. ~1 u9 C' ?% O9 X
各个大公司对内部的工艺规程、质量要求、检验方法等都有一套规范的编号,在图纸中 ...
, ~$ ?+ d5 S# H$ T; k& J2 `哦. 您说的有道理哦. 2 Z- V9 ^. w. i) U( [4 I' {- _ 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. 6 h$ m& ^& t* s& A' @7 @+ ?
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? # h$ ^2 Q+ {" V