The ceramic plates of air valves against abration, corrosion, dust, dirt, and sand.
陶瓷阀板耐磨、耐腐、耐固体颗粒侵,长,适合各种气体、液体阀门的密。
The ceramic plates of air valves against abration, corrosion, dust, dirt, and sand.
陶瓷阀板耐磨、耐腐、耐固体颗粒侵,长,适合各种气体、液体阀门的密。
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