4075| 3
|
钢性攻丝(M29)与柔性攻丝(G84)区别除工作效率及严格的F/S比值外,还有什么区别? |
| ||
| ||
点评
正解
| ||
| ||
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, 2024-11-19 20:34 , Processed in 0.050868 second(s), 16 queries , Gzip On.
Powered by Discuz! X3.4 Licensed
© 2001-2017 Comsenz Inc.