The impellervane of sea water pump was fractured just after two months.
海水泵使用两个月即发生叶轮叶片断裂事故。
2
Taking the impellervane core mould of a moment changer for example, its application to rapid design and manufacturing of moulds is studied.
以变矩器叶轮叶片芯模具为实例 ,就逆工程技术在模具快速设计与制造方面的应用做了初步的探讨。
3
The double-suction centrifugal fan impellervane meets the production requirements of a production process line and ensures the normal operation of the fan.