Valve body and internal parts: anodized aluminum alloy, copper.
阀体和内部零件：阳极电镀铝合金、铜。加固端盖：塑料。
Valve body and internal parts: anodized aluminum alloy, copper. Reinforcement Cover: Plastic.
阀体和内部零件：阳极电镀铝合金、铜。加固端盖：塑料。
The hard anodized aluminum alloy frame provides strength, ruggedness, and corrosion resistance.
硬阳极氧化铝合金框架提供强度，耐用性和耐腐蚀性。
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