6087| 12
|
要给一个容器外部施加20kp的压力,容器内部负压要达到多少,是-20kp吗 |
| ||
| ||
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, 2025-5-4 13:00 , Processed in 0.053124 second(s), 14 queries , Gzip On.
Powered by Discuz! X3.4 Licensed
© 2001-2017 Comsenz Inc.