double star-guad cable

例句：

1. 1. The company has invested heavily in thedevelopment of double star-guad cabletechnology.
   该公司在双星光缆技术的开发上投入了大量资金。
2. 2. The new double star-guad cable system will greatly improve communicationefficiency.
   新的双星光缆系统将大大提高通信效率。
3. 3. The double star-guad cableis widely used in telecommunications and data transmission.
   双星光缆在电信和数据传输领域得到了广泛应用。