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镀锌方管如何计算每欧元的重量

DUXINFANGGUANMEIMILILUNZHONGLIANGDEJISUANGONGSHI:

4 * HOUDU *(BIANZHANG-HOUDU)* 0.00785

QIZHONG,BIANZHANGHEBIHOUDOUYIHAOMI(mm)WEIDANWEI,ZHIJIEBASHUZHIDAIRUSHANGSHUGONGSHI,DECHUJIWEIMEIMIFANGGUANDEZHONGLIANG,YIQIANKEWEIDANWEI。

开心彩票网RU30 x 30 x 2.5HAOMIDEFANGGUAN,ANSHANGSHUGONGSHIJIKESUANCHUQIMEIMIZHONGLIANGWEI:4 x 2.5 x (30-2.5) x 7.85=275 x 7.85=2158.75KE,JIYUE2.16GONGJIN。

DANGBIHOUHEBIANZHANGDOUYIHAOMIWEIDANWEISHI,4xBIHOUx(BIANZHANG-BIHOU)SUANCHUDESHIMEIMIZHANGDUFANGGUANDETIJI,YILIFANGLIMI(cm3)WEIDANWEI,ZAICHENGYITIEDEBIZHONGMEILIFANGLIMI7.85KE,DECHUJIWEIMEIMIFANGGUANYIQIANKEWEIDANWEIDEZHONGLIANG。

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