![]() |
图示活塞右行时,阀B的进出口压力相等而不起作用,为什么? |
| ||
| ||
| ||
| |
| ||
| ||
| ||
| ||
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, 2025-2-17 13:00 , Processed in 0.068628 second(s), 14 queries , Gzip On.
Powered by Discuz! X3.4 Licensed
© 2001-2017 Comsenz Inc.