迪万伦DX130-9C挖掘机的优点有以下几个：1. 强大的动力：配备了功率强劲的引擎，能够提供出色的工作性能和高效的动力输出。2. 稳定性强：采用了先进的液压系统和底盘设计，能够保持机器的稳定性，提高工作效率和安全性。3. 灵活性高：具有360度旋转功能的回转底盘，能够灵活适应各种工作环境和作业需求。4. 操作简便：配备了人性化的操控系统，使操作更加简便和舒适，降低了工作难度和疲劳度。5. 耐用性强：采用了高强度钢材制作而成的机身，具有良好的耐用性和抗损耗性，能够适应较为恶劣的工作环境。6. 维护便捷：机器设计合理，易于维护和保养，有利于延长其使用寿命并降低维修成本。7. 多功能性：配备了多种工作装置和附件，如铲斗、破碎锤等，能够满足不同的施工需求。总之，迪万伦DX130-9C挖掘机具有动力强劲、稳定性好、操作简便、耐用性强等优点，适用于各种施工环境和作业需求。

The advantages of Diwanlun DX130-9C excavator are as follows:1. Strong power: Equipped with powerful engine, it can provide excellent working performance and efficient power output.2. Strong stability: Adopting advanced hydraulic system and chassis design, it can maintain the stability of the machine and improve the working efficiency and safety.3. High flexibility: With 360-degree rotating function of rotary chassis, it can flexibly adapt to various working environments and operational needs.4. Easy operation: Equipped with humanized control system, it can make the operation more convenient and comfortable. It can flexibly adapt to various working environments and operational needs. 4. easy operation: equipped with humanized control system, making the operation easier and more comfortable, reducing the difficulty of work and fatigue. 5. strong durability: made of high-strength steel body, with good durability and resistance to wear and tear, and can adapt to the more severe working environment. 6. convenient maintenance: the machine is reasonably designed, easy to maintain and repair, which is conducive to extending its service life and reducing its fatigue. 7. convenient maintenance: the machine is reasonably designed, easy to maintain and repair, which is conducive to extending its service life and reducing the fatigue. 8. Convenient maintenance: the machine is well-designed, easy to maintain and repair, which is conducive to prolonging its service life and reducing maintenance costs. 7. Multi-functionality: it is equipped with a variety of working devices and attachments, such as buckets, crushing hammers and so on, which can meet the different needs of construction. All in all, Diwanlun DX130-9C excavator has the advantages of strong power, good stability, easy operation, strong durability and so on, which is suitable for all kinds of construction environments and operational needs.