The key to this valve is in the flexible reinforced rubber sleeve - the valve's only wetted part.

其主要原因就在于这种阀门内部的弹性强化套管,也就是这种阀门唯一与流体接触的部件.

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Wearproof of GF ( glass fiber ) reinforced rubber composite was made with mill - mixing state was study.

采用干法混炼工艺研究玻璃纤维增强橡胶复合材料的耐磨性.

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