油在油压下从边上几个小圆孔流入机滤,再通过过滤材料经中间的圆筒流回发动机
bypass valve. 万一滤芯堵死时油压顶开弹簧阀门不经滤芯直接从中间的圆筒流回发动机
油在油压下从边上几个小圆孔流入机滤,再通过过滤材料经中间的圆筒流回发动机
bypass valve. 万一滤芯堵死时油压顶开弹簧阀门不经滤芯直接从中间的圆筒流回发动机
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