Finally, use the right kind of purging compound for your situation.

最后，根据你的情况，选用正确的清洗化合物。

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But remember, purging won't eliminate the root cause of the degradation, so if your system is spewing out black specks at an intolerable rate, that's not the best time to try a purging compound.

但是，要记住，清洗并不会根除降解。所以，如果你的系统产生黑点的速度可以容忍，那就不是你使用清洗化合物的最好时机。

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