求翻译：阀门使用后，应定期检修，检查密封面等磨损情况，填料是否老化失效，通道内是否有污垢堆积，如发现上述情况，应及时进行修理或更换。是什么意思？

Valve after use, should be regular maintenance, check the sealing surface of the wear filler whether the failure of aging and dirt accumulation in the channel, found out that the situation should be promptly repaired or replaced.

Valve after use, should be regularly serviced, check that the sealing surface wear, such as filler for aging, in the path is dirt buildup, such as discovery of the above, it is timely for repair or replacement.

After the valve use, should the preventive maintenance, attrition situations and so on inspection packing surface, the padding whether gets older expires, whether in the channel has the dirt stack, if discovered the above situation, should carry on the repair or the replacement promptly.

Valve after use, regular maintenance, check the seal for wear, packing degradation failure, if there is dirt in the channel stack, such as found above, should be repaired or replaced in a timely manner.

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