6796| 11
|
農(nóng)業(yè)機械加工制造要采用什么公差等級,,國家有規(guī)定標準嗎,? |
| ||
| ||
| ||
| ||
| ||
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, 2025-2-22 17:29 , Processed in 0.062452 second(s), 14 queries , Gzip On.
Powered by Discuz! X3.4 Licensed
© 2001-2017 Comsenz Inc.