樓主: 只有快樂
|
你可知道螺紋規(guī)格為什么是6, 8, 10, 12, 14, 16? |
| ||
| ||
| ||
| ||
| ||
| ||
|
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, 2024-9-20 22:56 , Processed in 0.054128 second(s), 15 queries , Gzip On.
Powered by Discuz! X3.4 Licensed
© 2001-2017 Comsenz Inc.