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The cage adopts the press-in type seat design, which solves the problems of difficult disassembly and high leakage of the traditional thread screw-in type seat and prolongs the service life.
阀笼采用压紧阀座设计，解决了传统的螺纹拧入式阀座拆卸困难，泄漏量大等问题，延长了使用寿命。
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