stream line operation

例句：

1. 1. The new design ofthe car has a streamline shape.
   这款新车的外形设计非常流线型。
2. 2.The company's streamlined operation hassignificantly improved efficiency.
   公司的流线型操作显著提高了效率。
3. 3. The engineers designed astreamlined structure to reduce weight and improvestability.
   工程师们设计了一个流线型结构，以减轻重量并提高稳定性。