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公称通径NominalPipeSize长度Length方头管塞SquareHeadPlugs圆头管塞RoundHeadPlugs六角头管塞和内外螺纹接头HexPlugsandBushings方头高度...
六角头管塞
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方头管塞
公称通径NominalPipeSize长度Length方头管塞SquareHeadPlugs圆头管塞RoundHeadPlugs六角头管塞和内外螺纹接头HexPlugsandBushings方头高度...