1283| 7
|
厂房承受重量每平方500kg,机器重量2.5吨,大小1.4MX0.6M接触面积,需要加多厚的钢板? |
| ||
| ||
小黑屋|手机版|Archiver|机械必威体育网址 ( 京ICP备10217105号-1,京ICP证050210号,浙公网安备33038202004372号 )
GMT+8, 2024-11-11 12:57 , Processed in 0.055139 second(s), 18 queries , Gzip On.
Powered by Discuz! X3.4 Licensed
© 2001-2017 Comsenz Inc.