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                中国火爆棋牌游戏」网 >> 火爆棋牌游戏知识 >> 不锈火爆棋牌游戏的重量计算公式

                不锈火爆棋牌游戏的重量计算公式

                [来源:www.gang123.cn] [作者:中国◥火爆棋牌游戏网] [日期:09-05-06] [热度:]    文字大小:  

                不锈火爆棋牌游戏的重量计算公式:(外径-壁厚)*壁厚*0.02491=公斤/米

                 

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