知識貝殼
知識貝殼
所屬欄目：水輪機與水泵專業英語
Water is brought to the hydroelectric plant site through large penstocks, at the end ofwhich there is an injector, which converts the pressure energy completely into kinetic energy,as shown in Fig.2.1. This will convert the liquid flow into a high-speed j ......（本文共 1284 字 , 1 張圖） [閱讀本文] >>