楼主:
yshshsh
|
穿过筋板上孔是不是一定要小于筋板的厚度? |
|
||
|
||
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, 2024-8-3 22:02, Processed in 0.054187 second(s), 15 queries , Gzip On.
? 2001-2017Comsenz Inc.