7385
|
14
|
材料纯铁的,表面粗糙度要达到0.8,需要选择什么材料的刀具---请教! |
|
||
|
||
|
||
|
||
|
||
|
||
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, 2024-6-17 04:29, Processed in 0.053490 second(s), 15 queries , Gzip On.
? 2001-2017Comsenz Inc.