[螺紋/齒輪] 請(qǐng)問(wèn)各位高手:管螺紋塞規(guī)G1/2 TB G1/2 Z的中徑的算法 |
小黑屋|Archiver|計(jì)量論壇
( 閩ICP備06005787號(hào)-1—304所 )
電話:0592-5613810 QQ:473647 微信:gfjlbbs閩公網(wǎng)安備 35020602000072號(hào)
GMT+8, 2025-7-10 12:39
Powered by Discuz! X3.4
Copyright © 2001-2023, Tencent Cloud.