当量粗糙
在紊流粗糙区,以尼古拉兹实验采用的人工粗糙为度量标准,把工业管道的粗糙折算成人工粗糙,即工业管道的当量粗糙。
扫描二维码免费使用微信小程序搜题/刷题/查看解析。
版权声明:本文由翰林刷题小程序授权发布,如需转载请注明出处。
本文链接:https://doc.20230611.cn/post/740850.html
上一篇:简述战略计划与长期计划的区别。
下一篇:“That's right,” he said;“I'm no good now.I was all right.I had money.I'm going to quit this,”and,with death in his heart,he started down toward the Bowery.People had turned on the gas before and died;why shouldn't he?He remembered a lodging-house whe