楼主:
spaceship
|
铸造中的缩松,砂孔,裂纹等缺陷是无法避免的吗? |
|
||
|
||
|
||
|
||
|
||
|
||
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, 2024-5-27 06:41, Processed in 0.053119 second(s), 13 queries , Gzip On.
? 2001-2017Comsenz Inc.