13805| 33
|
45#鍛件的力學(xué)性能和45#鋼材的力學(xué)性能一樣嗎? |
| ||
點(diǎn)評
大神,你是怎么區(qū)分輕載和重載的?
評分
| ||||||||
| ||
| ||
| ||
點(diǎn)評
遺憾,重要的資料要備份啊
| ||
| ||
點(diǎn)評
這個(gè)比喻很形象
| ||
| ||
本版積分規(guī)則
|
Archiver|手機(jī)版|小黑屋|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, 2025-9-22 01:59 , Processed in 0.071900 second(s), 20 queries , Gzip On.
Powered by Discuz! X3.5 Licensed
© 2001-2025 Discuz! Team.