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                异径哦管系列
                河北广浩管件有师弟限公司官方网站 > 异径管大喜系列 > 不锈〇钢国标异径管

                不锈钢国标异径地带管

                不锈钢国标异径将玄正鹤管

                不锈钢国标什么鬼玩意异径管也称大修炼僵尸道小头,用□ 来连接不同尺寸的管子;一般它分为同心异径管和偏心异径管两种,当异径望着狂笑中管立起来后两端口的投影是同心圆时,不锈钢国标异径管它就叫同心异径管,而偏心异径管◥的投影是小圆内切于外圆。