知识贝壳
知识贝壳
所属栏目：水轮机与水泵专业英语
Runner is a cylindrical disk mounted on a shaft on the periphery of which a number ofbuckets are fixed equally spaced, as shown in Fig.2.3.The blades, also called buckets, look like twin hemi-ellipsoided cups joined in the middleby means of a ridge. This ......（本文共 1450 字 , 1 张图） [阅读本文] >>