发布时间:2025-01-19 16:08:37
楼下的价格很诱人,但是仔细一算:
G255/30/100W按照国标制作话,理重41.1kg/平方;您117/41.1=2.8467元/KG(换算吨价2846元/吨);试问下,这个型号,这个吨价怎么做的出来,原材料最便宜2000元+热镀锌1000+制作成本500;;;;;怎么算也不止这个价格。慎重选择
cable creation科睿讯cc0420 35mm公对母音频线详细介绍
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