徐工XR120D旋挖钻的优点包括：1. 高效工作能力：搭载高性能钻机，能够快速、准确地完成钻孔作业，提高工作效率。2. 强大的钻探能力：采用专利技术设计的机械回转系统和强力液压系统，能够应对各种复杂地质条件下的钻孔任务。3. 精确控制技术：配备先进的电液比例系统和智能控制系统，能够实时监测并调整钻探参数，保证钻孔的精准性和稳定性。4. 安全性和可靠性：采用高品质的机械和液压元件，具备较高的可靠性和耐用性，同时还具备多重安全保护装置，确保操作人员的安全。5. 操作简便：人性化的设计，配备可伸缩和旋转的操纵台，使操作更加方便灵活。6. 维护成本低：设计合理且易于维护保养，减少设备故障和停机时间，降低维修和维护成本。总体而言，徐工XR120D旋挖钻具备强大的工作能力、精确的控制技术、安全可靠的性能，能够适应各种作业需求，并且操作简便、维护成本低，深受用户喜爱。

The advantages of XCMG XR120D rotary drilling include:1. High-efficiency working ability: equipped with high-performance drilling rig, it can complete drilling operations quickly and accurately, and improve working efficiency.2. Powerful drilling ability: adopting the patented technology-designed mechanical slewing system and powerful hydraulic system, it can cope with drilling tasks under various complex geological conditions.3. Precise control technology: equipped with advanced electro-hydraulic proportional system and Intelligent control system, which can monitor and adjust the drilling parameters in real time to ensure the accuracy and stability of drilling. 4. Safety and reliability: Adopting high-quality mechanical and hydraulic components with high reliability and durability, as well as multiple safety protection devices to ensure the safety of the operators. 5. Easy operation: Humanized design, equipped with telescopic and rotating manipulator, which makes the operation more convenient and flexible. 6. Low maintenance cost: The machine is equipped with the patented design of mechanical rotary system and powerful hydraulic system, which can cope with the drilling tasks in various complex geological conditions. 7. 6. Low maintenance cost: reasonable design and easy maintenance, reduce equipment failure and downtime, lower repair and maintenance costs. Overall, XCMG XR120D rotary drilling rig has powerful working capacity, precise control technology, safe and reliable performance, can adapt to various operational needs, and easy operation and low maintenance cost, which is favored by users.