秒速赛车怎么看技巧

阀门的几何参数都是要怎么选择的

发布时间:2019.09.18     浏览次数:     新闻来源:waway6g.cn
阀门的几何参数:结构长度、法兰连接形式及尺寸、开启和关闭后阀门高度方向的尺寸、连接的螺栓孔尺寸和数量、整个阀门外型尺寸等。利用现有的资料:阀门产品目录、阀门产品样本等选择适当的阀门产品。

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