知識貝殼
知識貝殼
所屬欄目：水輪機與水泵專業英語
Even after the amount of water striking the buckets is completely stopped, the runnergoes on rotating for a very long time due to inertia. To stop the runner in a short time, a smallnozzle is provided which directs the jet of water on the back of bucket w ......（本文共 616 字 , 1 張圖） [閱讀本文] >>