Either extreme may damage valve internal parts and shorten valve life.
流量过大,可能会损坏阀门内部构件,缩短阀门使用寿命.
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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.
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PS : Place the internal parts on the clean and hard floor.
将内部零件放置于干净及硬质的板面上.
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This is the way for assembling the internal parts of the valve.
这就是止个阀门的内部组装.
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