楼主: 每日在线888
|
机械加工件的成本除了材料费,还有N多的组成,别算亏了!!! |
| ||
小黑屋|手机版|Archiver|机械必威体育网址 ( 京ICP备10217105号-1,京ICP证050210号,浙公网安备33038202004372号 )
GMT+8, 2024-11-14 16:42 , Processed in 0.049262 second(s), 13 queries , Gzip On.
Powered by Discuz! X3.4 Licensed
© 2001-2017 Comsenz Inc.