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