举报
changjunju12680 发表于 2019-11-17 07:58 已经出了新标准了GB/T33923-2017李钊刚主编的,可以到工标网购买
本版积分规则 发表回复 回帖后跳转到最后一页
|小黑屋|手机版|Archiver|齿轮论坛
GMT+8, 2025-5-7 02:29 , Processed in 1.640258 second(s), 9 queries , MemCache On.
Powered by Discuz! X3.4 Licensed
© 2001-2023 Discuz! Team.