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大小头也叫异径管,变径管,用来连接不同尺寸的管子,一般它分为同心异径管(Concentric reducer)和偏心异径管(Eccentric reducer)两种,当异径管立起来后两端口的投影是同心圆时,它就叫同心异径管,而偏心异径管的投影是小圆内切于外圆
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偏心大小头（ECCENTRIC REDUCER）：两端管口中心线有偏差且一边有平边。常用于水 平管线、控制阀（CONTROL VALVE）前后接管、泵进口以及管廊（PIPE RACK）上的管排...
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Eccentric reducer top flat 顶平偏心异径管
Eccentric reducer ECC 偏心异径管
Grooved Eccentric Reducer 偏心沟槽式异径管固
eccentric reducer elevation 顶平偏心异径管
GROOVED END ECCENTRIC REDUCER 沟槽式偏心异径管
reducer eccentric 偏心大小头
Eccentric reducer
- abstract: An eccentric reducer is a fitting used in piping systems between two pipes of different diameters. They are used where the diameter of the pipe on the upstream side of the fitting (i.
以上来源于: WordNet
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