樓主: jssz19732326
|
螺紋有效深度一般是螺紋大徑的1.3倍還是1.5倍呢 |
| ||
| ||
| ||
| ||
小黑屋|手機版|Archiver|機械社區(qū) ( 京ICP備10217105號-1,,京ICP證050210號,,浙公網(wǎng)安備33038202004372號 )
GMT+8, 2025-1-21 04:47 , Processed in 0.059487 second(s), 15 queries , Gzip On.
Powered by Discuz! X3.4 Licensed
© 2001-2017 Comsenz Inc.