在应用橡胶圈的密封技术中，X形橡胶密封圈比O形橡胶密封圈具有更优越的密封特性。
The sealing property of rubber sealing X - ring is superior to that of O - ring as applying, but the process of sealing X - ring is difficult.
结果表明，密封圈的空心直径越大，制成密封圈橡胶材料的弹性模量越小，密封圈的寿命越长。
Result shows that the bigger dimension of inner diameter is, and the smaller elastic modulus of rubber is, the longer the life of hollow rubber seal.
大口径管道柔性内胀式密封圈及连接结构和方法。工作密封圈用侧面装有气料嘴的中空橡胶密封圈内充填物料而形成。
The inventive working seal ring is formed by filling the hollow rubber seal ring with a gaseous material mouth on its side with material.
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