transport chain

例句：

1. 1. The transportation chainfrom the port to the factory is complexand requires careful planning.
   从港口到工厂的运输链复杂，需要仔细规划。
2. 2.The logistics chain in this industry iscrucial for maintaining efficiency and reducing costs.
   这个行业中的物流链对于保持效率和降低成本至关重要。
3. 3. The company's transportation chain hasbeen optimized to reduce delivery times and improvecustomer satisfaction.
   该公司的运输链已经优化，以减少配送时间并提高客户满意度。