知識貝殼
知識貝殼
所屬欄目：水輪機(jī)與水泵專業(yè)英語
In course of flow through the impeller passage, there occurs a difference in pressure andvelocity between the leading and trailing faces of the impeller blades. On the leading face of ablade there is relatively a high pressure and low velocity, while on t ......（本文共 4092 字 , 6 張圖） [閱讀本文] >>