minimum carload weight

例句：

1. 1. The truck must carry a minimum carload weight of 5000 pounds to be allowed on the road.
   卡车必须承载至少5000磅的最小载重才能上路。
2. 2.The construction company has been ordered to reduce its maximum carload weight for environmental reasons.
   建筑公司因环保原因被命令减少其最大载重。
3. 3. The manufacturer has set a minimum carload weight limit for their new product line.
   制造商为他们的新产品线设定了最小载重限制。