fault preventing 故障预防
From picture of axle center trail judging the sign of early stage of vibration and preventing fault worsens of revolving machine is feasible.
从轴心轨迹图上判断出振动的前期征兆，对防止故障的恶化和排除故障具有指导作用。
But there is no such flexible fault preventing and protecting system in modern industry that machinery isn't in the best condition in operation.
但是，工业中仍然缺少柔性故障预防保护系统，不能保障工业设备在最佳工况点和机械状态下运转。
By studying two typical cases of automotive knock fault, the paper summarizes the methods and steps of preventing and eliminating two types of common knocks.
通过对两则典型的汽车爆震故障诊断排除案例，总结归纳出预防和排除两类常见爆震故障的方法和步骤。
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