举报
chenmodr 发表于 2014-1-19 18:57 外径多大,壁厚多少的内刮管
本版积分规则 发表回复 回帖后跳转到最后一页
|Archiver|手机版|钢管动力 官网 ( 沪ICP备08002050号-3 )
GMT+8, 2026-11-11 09:15 , Processed in 0.047507 second(s), 15 queries , File On.
Powered by Discuz! X3.5
© 2001-2026 Discuz! Team.