3140| 3
|
風(fēng)機(jī) ,帶動(dòng)錐形節(jié)流門的功率相關(guān)計(jì)算 |
評(píng)分
| ||||||||
| ||
| ||
| ||
小黑屋|手機(jī)版|Archiver|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, 2024-11-16 19:26 , Processed in 0.046893 second(s), 17 queries , Gzip On.
Powered by Discuz! X3.4 Licensed
© 2001-2017 Comsenz Inc.