Slight misalignment of the internal shaft is suspected to cause sideloading and lead to premature fatigue failure at low hours.
发动机内部轴线的轻微安装偏差被怀疑是导致负载不均衡，并导致在过低的使用小时数时产生疲劳故障。
3
Due to the many-to-many nature, loading from one side of a bidirectional association can trigger loading of the other side which can further trigger extra data loading of the original side, and so on.
由于many - to - many的特性，在双向关联的一端加载对象会触发另一端的加载，这会进一步触发原始端加载更多的数据，等等。