知识贝壳
知识贝壳
所属栏目：水轮机与水泵专业英语
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 张图） [阅读本文] >>