Failure of bearing bush fixture is investigated in accessory gearbox of aeroengine. An improved fixing stud with interference is used to fix the bearing bush.

分析了航空发动机附件机匣轴承衬套采用松螺纹固定的结构在高温时失效的原因。

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For example, the parent package runs the accessory packages, and based on the success or failure of the accessory packages, the parent package either commits or rolls back the transaction.

例如，父包运行辅助包，并根据辅助包的成功或失败来提交事务或回滚事务。

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