The results show that the reason why surge happened is that flow area of nozzlering and blade was decreased.
结果表明：增压器喷嘴环和涡轮叶片流通面积减少是涡轮增压器喘振的主要原因。
2
Will you tell me the correct name of the ring pressed on the nozzle?
你能告诉我那个压在喷嘴上的圆环叫什么名称么？
3
The conclusions redound to the developing and extending of axial-flow constant press turbocharger with variable nozzlering, and lay a foundation for later work.