... low-speed needle valve 低速针阀 low-suction valve 低位海水吸入阀 low-water valve 低水位阀 ...
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low suction valve 低水位吸入阀 ; 下吸入阀 ; 低位吸入阀
low sea suction valve 低位海水吸入阀 ; 低位通海阀
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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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