internal transmittance

例句：

1. 1. The new model has a higher internal transmittance than the old one.
   新款模型的内部透射率比旧款高。
2. 2.The engineer used an internal transmittance test to check the quality of the material.
   工程师使用内部透射率测试来检查材料的质量。
3. 3. The company's new product uses a high internal transmittance design to improve efficiency.
   该公司的新产品采用了高内部透射率设计以提高效率。