6547| 12
|
請(qǐng)教:這樣的螺紋防松方法(內(nèi)鑲嵌螺紋)叫什么工藝? |
| ||
點(diǎn)評(píng)
我也覺的
| ||
| |
| ||
評(píng)分
| ||||||||
評(píng)分
| ||||||||
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, 2025-1-4 16:49 , Processed in 0.055364 second(s), 24 queries , Gzip On.
Powered by Discuz! X3.4 Licensed
© 2001-2017 Comsenz Inc.