膨胀石墨填料环的回弹性和结构将不会被化学介质所侵蚀。能提供有效的密封作用，并无任何螺栓扭矩损失。
The resiliency and structure of expanded graphite molded packing are not affected by chemical attack, consequently it provides effective seal without any torque loss.
膨胀石墨填料环的回弹性和结构将不会被化学介质所侵蚀。能提供有效的密封作用，并无任何螺栓扭矩损失。
The resiliency and structure of expanded graphite molded packing are not affected by chemical attack, consequently it provides effective seal without any torque loss.
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