6386
|
9
|
M31和M30.71应该都是普通螺纹呀,后面螺距怎么标法不一样? |
|
||
|
||
|
||
|
||
|
||
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, 2024-8-6 07:12, Processed in 0.053709 second(s), 14 queries , Gzip On.
? 2001-2017Comsenz Inc.