标题: 求助:dry bending critical speed啥意思? [打印本页] 作者: zhangbz1 时间: 2010-3-5 10:14 标题: 求助:dry bending critical speed啥意思? 求助:在API 610 5.6.15中:The rotor of one and tow stage pumps shal be designed so its first dry-bending critical speed is at least 20% above the pumps's maximum continous operating . 8 z6 B9 e9 s7 K! K% `. T. t3 U- j4 K+ E# l
5 E% O! h+ c E u8 s 其中 first dry-bending critical speed 是指啥意思。% |: g. j) ~+ Y: f3 k; n
求助:在API 610 5.6.15中:The rotor of one and tow stage pumps shal be designed so its first dry-ben ... : `( ?6 z( ^6 w4 F' ?9 x t7 A1 \zhangbz1 发表于 2010-3-5 10:14