tangcarlos3d 发表于 2013-1-22 20:50 static/image/common/back.gif* z% o8 v; ^* j0 q( W# ^9 R
估计是工艺规程的编号。- {+ i4 ] ^# N8 H- B. c% O! o+ d7 f( K
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 ...
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哦. 您说的有道理哦.( E& Z% X b+ ]3 p5 a
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. ; L f) R: s. x5 h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? $ O! f' M( q! h$ W+ T