... concentric orifice 同心锐孔板 concentric pattern 同心圈布法 concentric pipe 同心管 ...
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concentric double pipe 同心管
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PC-35 style Pump Connectors also come in eccentric and concentric taper types. Connectors must be protected from axial piping movement by using pipe anchors or control units as required.
有偏心和同心式不同设计，连接器必须防止轴向管道移动，如需要可用管锚或控制元件。
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