类型阀体结构具有特殊的几何结构和阀瓣配置，使得每个阀瓣撞击在其撞击中心的止动销上。
The Style X body design has special geometry and plate configuration to allow each plate to strike the stop pin in its center of percussion.
类型阀体结构具有特殊的几何结构和阀瓣配置，使得每个阀瓣撞击在其撞击中心的止动销上。
The Style X body design has special geometry and plate configuration to allow each plate to strike the stop pin in its center of percussion.
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