所屬欄目:水輪機與水泵專業(yè)英語
This has to be provided for movement of the spear. If the servomotor is outside thenozzle, a bend has to precede the straight portion of the nozzle to allow the spear stem to bebrought out. In this type, the symmetry of the flow is only in one plane and t ......(本文共 809 字 , 1 張圖) [閱讀本文] >>