你参与制定nace标准没?
所有跟帖:
•
No, NACE standards are mainly about
-by心言-
♂
(74 bytes)
()
06/22/2016 postreply
08:23:57
•
石油企业的材料标准。
-HAPPY-DAY-
♀
(0 bytes)
()
06/22/2016 postreply
08:48:14
•
All I referred were standards for oil industry
-by心言-
♂
(71 bytes)
()
06/22/2016 postreply
08:53:54
•
MR1075 我天天在用。
-HAPPY-DAY-
♀
(0 bytes)
()
06/22/2016 postreply
08:51:35