用矿泉水瓶，在瓶盖上钻几个孔，然后倒入半瓶热水，加入适量白醋，加洗涤剂，配方为：3:2:1。盖上盖子，摇动它，在罩上的机油滤清器盖上喷洒液体，几次后将污水喷入油碗中。
With mineral water bottle, drill several holes in the cap, then pour into half bottle of hot water, add appropriate amount of white vinegar, add detergent, the formula is: 3:2:1. Cover it, shake it, spray liquid on the cover of the oil filter, and spray sewage into the oil bowl several times later.
当油杯中的油和污水充满时，将其倒出、注满并重新喷洒。当瓶子里的清洁剂用完后，就可以相应地进行匹配。很快，油杯里的油和污水就会变干净。最后，用抹布擦净水渍。
When the oil and sewage in the oil cup are full, it is poured out, filled and re-sprayed. When the detergent in the bottle is used up, it can be matched accordingly. Soon, the oil and sewage in the oil cup will become clean. Finally, wipe the water stains with a rag.