所屬欄目:水輪機(jī)與水泵專業(yè)英語
This is a cylindrical box-like structure provided on the top surface of the runner, asshown in Fig.4.7.Fig.4.7 Head cover of a Francis turbineIts functions are ① to prevent any water leaking through the gap between the guidevanes and the runner from findi ......(本文共 747 字 , 1 張圖) [閱讀本文] >>