7087
|
19
|
龙门机床的立柱与横梁用焊接好还是铸造的好? |
|
||
|
||
|
||
|
||
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, 2024-6-14 08:02, Processed in 0.055792 second(s), 14 queries , Gzip On.
? 2001-2017Comsenz Inc.