6946| 16
|
請(qǐng)教這2個(gè)符號(hào)表示什么意思? |
| ||
| ||
| ||
| ||
點(diǎn)評(píng)
GBT19096-2003 技術(shù)制圖 圖樣畫法 未定義形狀邊的術(shù)語(yǔ)和注法
| ||
| ||
| ||
| ||
小黑屋|手機(jī)版|Archiver|機(jī)械社區(qū) ( 京ICP備10217105號(hào)-1,京ICP證050210號(hào),浙公網(wǎng)安備33038202004372號(hào) )
GMT+8, 2024-11-18 16:21 , Processed in 0.056651 second(s), 17 queries , Gzip On.
Powered by Discuz! X3.4 Licensed
© 2001-2017 Comsenz Inc.