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6 天
进口德标球阀-全球十大进口德标球阀品牌排行榜
德标球阀是一种按照德国工业标准(DIN)设计和制造的球阀,以下是关于德标球阀的详细介绍: 德标球阀是一种通过旋转球体来控制流体流动的阀门。其核心部件是球体,球体内部有一个通道,当球体旋转时,通道与管道之间的连接口可以打开或关闭,从而实现 ...
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