放油口 fuel outlet; fueloutlet; oil discharge outlet; oil drain hole; oil outlet; oil ..
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A one-way valve is installed on the oil outlet pipe, and the utility model has the advantages of simple structure, rapid discharge and suction, convenient operation and low cost.
在出油管路上装有一个单向阀。本吸油器的优点是结构简单、排吸快、使用方便、成本低。
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