厦工XG620H压路机的优点包括：1. 强大的动力系统：采用进口的德国德佳斯发动机，动力强劲可靠，具有良好的燃油经济性和低噪音特性，提高了工作效率。2. 独特的压路技术：采用双频振动系统和振动幅度可调节技术，能够适应不同路面的压实要求，提高了压实质量和稳定性。3. 高效的传动系统：采用液力变矩器和齿轮传动器相结合的传动系统，不仅能够提供强大的牵引力和驱动力，还能够使机器平稳运行，减少能源消耗。4. 人性化的设计：采用全液压操作系统，配有可调节的座椅和方向盘，提供舒适的工作环境；同时，具备良好的视野和操作性，提高了工作效率和安全性。5. 可靠的质量保证：厦工是中国领先的工程机械制造商之一，XG620H压路机采用优质的材料和先进的制造工艺，经过严格的质量控制和测试，具有较高的可靠性和耐用性。总体而言，厦工XG620H压路机具有强大的动力、先进的压路技术、高效的传动系统、人性化的设计和可靠的质量保证，适用于各种压路作业，提高了工作效率和施工质量。

The advantages of XG620H road roller include:1. Powerful power system: adopting imported German Degas engine, it is powerful and reliable, with good fuel economy and low noise characteristics, which improves the working efficiency.2. Unique compaction technology: adopting the dual-frequency vibration system and adjustable vibration amplitude technology, which can adapt to the compaction requirements of different road surfaces, and improves the quality and stability of compaction.3. High-efficiency transmission system: the transmission system combining hydraulic torque converter and gear drive not only provides strong traction and driving force, but also enables the machine to run smoothly and reduces energy consumption. 4. Humanized design: it adopts a fully hydraulic operating system with adjustable seat and steering wheel, which provides a comfortable working environment; at the same time, it has a good field of vision and maneuverability, which improves working efficiency and safety. 5. Reliable quality assurance: it adopts dual frequency vibration system and adjustable vibration amplitude technology, which can adapt to different road surface compaction requirements, and improve compaction quality and stability. 6. 5. Reliable quality assurance: XG is one of the leading construction machinery manufacturers in China. XG620H rollers are made of high-quality materials and advanced manufacturing process, and undergo strict quality control and testing, which provide high reliability and durability. Overall, XG620H road roller has powerful power, advanced rolling technology, efficient transmission system, humanized design and reliable quality assurance, which is suitable for all kinds of road rolling operations and improves work efficiency and construction quality.