6235| 12
|
請(qǐng)問(wèn)在2440*1220的長(zhǎng)方形板上布直徑237的孔能布多少個(gè)呢?能超過(guò)51個(gè)嗎 |
| ||
| ||
| ||
| ||
| ||
| ||
Archiver|手機(jī)版|小黑屋|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, 2025-7-21 03:29 , Processed in 0.099174 second(s), 16 queries , Gzip On.
Powered by Discuz! X3.5 Licensed
© 2001-2025 Discuz! Team.