The crankcase has to drain before you put on the new filter.
在安放新过滤器之前，曲轴箱必须滴干。
The usage is the cleaning agent into the crankcase, idle for 5 to 10 minutes, drain the old oil.
具体用法是把清洗剂倒入曲轴箱，怠速5到10分钟后，排出旧机油。
The usage is the cleaning agent into the crankcase, idle for 5 to 10 minutes, drain the old oil.
具体用法是把清洗剂倒入曲轴箱，怠速5到10分钟后，排出旧机油。
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