Had introduced characteristics and operating priciple of double eccentric butterfly valve,and had analyzed appeared accident reasons in use,and had raised improved structure methods.
英
美
释义
介绍了双偏心蝶阀的特点和工作原理,分析了应用中出现事故的原因,提出了结构改进的方法。
把海词放在桌面上,查词最方便
触屏版
|
电脑版
©2003 - 2024 海词词典(Dict.cn)
立即下载