柳工6213EG4国四压路机的优点包括：1. 引擎动力强大：搭载国四排放标准发动机，动力强劲，能够提供稳定的工作性能。2. 燃油经济性好：搭载先进的燃油喷射技术，燃油利用率高，能够节约燃油成本。3. 节能环保：符合国家环保标准，排放物低，减少对环境的污染。4. 性能稳定可靠：采用高品质的传动装置和液压系统，工作稳定可靠，操作简单方便。5. 高效工作：配备优质的压路机轮胎，能够提供良好的抓地力和压实效果，提高工作效率。6. 全封闭挡泥板：可以防止灰尘和杂物进入引擎和液压系统，延长使用寿命。7. 人性化设计：驾驶室采用舒适的设计和多功能仪表盘，提供舒适的工作环境，方便操作员进行工作。总体而言，柳工6213EG4国四压路机具有动力强大、燃油经济性高、节能环保等优点，能够高效地完成压实作业。

The advantages of LiuGong 6213EG4 national four roller include:1. Powerful engine: equipped with national four emission standard engine, it is powerful and can provide stable working performance.2. Good fuel economy: equipped with advanced fuel injection technology, it has a high fuel utilization rate, which can save the fuel cost.3. Energy saving and environmental protection: in line with the national environmental protection standard, it has low emission, which reduces the pollution of the environment.4. Stable and reliable performance: equipped with high quality transmission and hydraulic system, it works stably and reliably, and can provide good grip and compaction effect.6. Stable and reliable: It adopts high-quality transmission and hydraulic system, which works stably and reliably, and is easy and convenient to operate. 5. Efficient work: Equipped with high-quality roller tires, it can provide good grip and compaction effect, and improve the working efficiency. 6. Fully-closed fenders: It can prevent dust and debris from entering into the engine and the hydraulic system, which prolongs the service life. 7. Humanized design: The driver's cab adopts a comfortable design and a multifunctional instrument panel, which provides comfortable work. 8. multifunctional instrument panel, providing a comfortable working environment and facilitating the operator's work. Overall, LiuGong 6213EG4 National 4 Roller has the advantages of powerful power, high fuel economy, energy saving and environmental protection, which can complete the compaction operation efficiently.