发布时间:2025-01-30 22:59:30
按颜色为白色,数量有个几百平方,那么50*100mm的铝方通0.6mm厚是10.5元一米,0.7mm厚是11.5元一米。按面积计算,大概是70~100元/平
不明白area,region,district,zone的差异,看完此文你就能明白它们之间的差异!!!
2025-01-30 22:59:30 2025-01-30 22:59:30 2025-01-30 22:59:3030号工字钢门字型架子高85米两根工字钢中间距离15米上面承重10吨能承受不谢谢
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