2119| 0
|
求助【TB/T 3169-2007】 鐵道車輛用車軸型式與基本尺寸 |
| ||
小黑屋|手機版|Archiver|機械社區(qū) ( 京ICP備10217105號-1,京ICP證050210號,浙公網(wǎng)安備33038202004372號 )
GMT+8, 2024-11-15 00:08 , Processed in 0.045939 second(s), 14 queries , Gzip On.
Powered by Discuz! X3.4 Licensed
© 2001-2017 Comsenz Inc.