|
890| 0
|
GB/T 18591-2001 焊接预热温度道间温度及预热维持温度的测量指南 |
| ||
小黑屋|手机版|Archiver|机械社区 ( 京ICP备10217105号-1，京ICP证050210号，浙公网安备33038202004372号 )
GMT+8, 2024-12-1 04:14 , Processed in 0.059044 second(s), 19 queries , Gzip On.
Powered by Discuz! X3.4 Licensed
© 2001-2017 Comsenz Inc.
发表于 2008-11-21 20:08:17
