对回油口处过滤网进行清洗，清除附着在过滤网上的杂质。注意事项有以下几点。

Three, clean the oil filter at the mouth of the filter, remove impurities attached to the filter.

youdao

对回油口处过滤网进行清洗，清除附着在过滤网上的杂质。注意事项有以下几点。

Three, clean the oil filter at the mouth of the filter, remove impurities attached to the filter.

youdao