stub shaft 中文意思是什麼
stub shaft
解釋
外半軸,輸入軸-
A new type of metal seal structure with double stub shaft moving disk butterfly valve was presented. the structure, characteristic and work principle of it was studied
摘要提出了一種金屬硬密封蝶閥新結構雙閥桿蝶板移動式金屬硬密封蝶閥,討論了此閥的結構、工作原理及特點。
分享友人