Practices demonstrate that blocking balance hole is a effective method to resolve the axial negative thrust of rotor.
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.
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。
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