发布时间:2025-02-04 14:04:58
冷轧钢板:1mm厚,2米宽、1米长,重量是15.7公斤
方管:40mm X 40mm,1.2mm厚,6米长重量是1.46kg/m×6=8.76公斤
运输公司安排大小不同的两辆卡车去运货大卡车每次比小卡车多运8吨两辆车分别运了3车所运货物的总
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