5444| 9
|
請(qǐng)教,壓力管道上用的NPT螺紋密封,內(nèi)螺紋粗糙度如何要求,尺寸要檢哪些項(xiàng) |
| ||
| ||
| ||
| ||
| ||
| ||
Archiver|手機(jī)版|小黑屋|機(jī)械社區(qū) ( 京ICP備10217105號(hào)-1,京ICP證050210號(hào),浙公網(wǎng)安備33038202004372號(hào) )
GMT+8, 2025-7-17 18:45 , Processed in 0.073109 second(s), 15 queries , Gzip On.
Powered by Discuz! X3.5 Licensed
© 2001-2025 Discuz! Team.