tangcarlos3d 发表于 2013-1-22 20:50 static/image/common/back.gif; M, I+ _" I% z1 |# D
估计是工艺规程的编号。 7 d8 C/ k9 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 ...
# S w% {9 ?1 h# F哦. 您说的有道理哦.1 O' `4 C ?- G: x
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. # V5 s4 L& a" X9 m' ~( }6 J
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? + p, f$ f6 V4 G* A, y+ h