friction loss in transition section

例句：

1. 1.The car's engine has experienced a significant friction loss during the long journey.
   这辆汽车在长途旅行中经历了显著的摩擦损失。
2. 2. In the manufacturing process, friction loss is a major factor affecting product quality.
   在生产过程中，摩擦损失是影响产品质量的主要因素。
3. 3. To reduce friction loss, engineers developed new materials and designs.
   为了减少摩擦损失，工程师们开发了新材料和设计。