后弯叶轮 meaning in Chinese

back impeller
back ward impeller
backward-bladed impeller
backward-bladedimpeller
backwardimpeller

Impeller changed from two - piece to one - piece because of the good base of the technology level . a five - axis milling machine is used to manufacture the blades , which are swept back at the impeller outlet and have a trailing edge which is inclined slightly in the axial direction
从分体叶轮到整体叶轮，在工艺水平上已具有较好的基础，前倾后弯叶轮设计中的较大前倾角通过五轴联动铣床实现。