dummy piston
英 [ˈdʌmi ˈpɪstən]
美 [ˈdʌmi ˈpɪstən]
均压盘轮；平衡活塞
双语例句
- The inner casing of one extraction back pressure steam turbine is a cylindrical structure, the dummy piston and the nozzle chamber combine into one entity, without central separating interface, the inner surface of said inner casing to be smooth, without steam seal gland.
某台抽汽背压式汽轮机的内缸（平衡活塞与喷嘴室合为一体）为整体圆筒式结构，没有中分面，内缸内壁面为光面，没有汽封装置。