1852| 1
|
光亮管管材的抗拉強(qiáng)度和拉伸強(qiáng)度是一樣的嗎? |
| ||
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, 2025-3-1 18:48 , Processed in 0.053765 second(s), 13 queries , Gzip On.
Powered by Discuz! X3.4 Licensed
© 2001-2017 Comsenz Inc.