The sealing structure has the advantages of simple structure, low friction factor and reliable sealing, which can prolong the service life of sealing rings.
本实用新型的有益效果是结构简单，摩擦系数小，密封可靠，延长了密封圈的使用寿命。
The sealing structure has the advantages of simple structure, low friction factor and reliable sealing, which can prolong the service life of sealing rings.
本实用新型的有益效果是结构简单，摩擦系数小，密封可靠，延长了密封圈的使用寿命。
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