樓主: 韓寒11
|
什么原理加工出來的六方,? |
| ||
| ||
點(diǎn)評
好久好久以前,,當(dāng)你還是一個(gè)機(jī)械小菜鳥的時(shí)候,。你磨的鉆頭打出的孔是三角形的
| ||
| ||
| ||
| ||
| ||
| ||
| ||
小黑屋|手機(jī)版|Archiver|機(jī)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, 2025-1-11 11:02 , Processed in 0.049890 second(s), 15 queries , Gzip On.
Powered by Discuz! X3.4 Licensed
© 2001-2017 Comsenz Inc.