实践证明，堵平衡孔是解决转子轴向负推力问题的一种行之有效的方法。
Practices demonstrate that blocking balance hole is a effective method to resolve the axial negative thrust of rotor.
通过计算，分析了3号汽轮机轴向负推力产生的主要原因，介绍了堵平衡孔消除轴向负推力的方法。
This article analysis the major reasons that lead an axial negative thrust in unit 3, introduce the method of remove axial negative thrust with block the balance hole.
风压：一般地说，正风压产生推力，负风压产生吸力。
Wind pressure: generally speaking, are produced negative wind pressure distributions of thrust, produce attraction.
风压：一般地说，正风压产生推力，负风压产生吸力。
Wind pressure: generally speaking, are produced negative wind pressure distributions of thrust, produce attraction.
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