By using it, the friction coefficient can be reduced and the sealing reliability and service life are improved as well.
可降低摩擦系数，提高密封的可靠性和使用寿命。
Practice shows that the sealing reliability of MOA have been enhanced by using the double sealing and excluding traditional arc-isolating cylinder and FRP rode.
实践证明，采用双重密封结构，取消传统MOA中的隔弧筒和引拔棒，提高了MOA的密封可靠性。
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