6043| 4
|
无磁钻铤,API增补3要求要进行压应力处理? |
| ||
点评
国内就是这现状,我们公司NS-1认证还没通过
| ||
| |
| |
Archiver|手机版|小黑屋|机械社区 ( 京ICP备10217105号-1,京ICP证050210号,浙公网安备33038202004372号 )
GMT+8, 2025-7-5 03:53 , Processed in 0.066653 second(s), 16 queries , Gzip On.
Powered by Discuz! X3.5 Licensed
© 2001-2025 Discuz! Team.