樓主: rusowc
|
弱弱的問一句,圖紙右下角的粗糙度和那個負0.3,,負0.5的標注各是什么意思 |
| ||
小黑屋|手機版|Archiver|機械社區(qū) ( 京ICP備10217105號-1,京ICP證050210號,,浙公網安備33038202004372號 )
GMT+8, 2025-1-17 21:48 , Processed in 0.051517 second(s), 14 queries , Gzip On.
Powered by Discuz! X3.4 Licensed
© 2001-2017 Comsenz Inc.