徐工XR280D旋挖钻的优点包括：1. 强力动力系统：配备了德国进口的电控高压共轨发动机，功率强劲，具有良好的动力输出，可以应对各种复杂施工情况。2. 稳定性能：采用了四桅量大曲臂结构，能够提供更稳定的工作状态和良好的平衡性能，保证施工的安全性。3. 操控便捷：配备了智能化控制系统，操作简便方便，能够实现自动化施工，提高施工效率和精度。4. 多功能灵活：通过换上钻套或钻具，可以适应不同的施工要求，如钻孔、挖沟、取芯等多种工作模式。5. 节能环保：具备节能减排的特点，减少燃料消耗和排放物的排放，符合现代环保要求。6. 负载能力强：具有较大的钻进力和钻孔直径，适用于各类复杂地质条件下的工程施工。7. 维护方便：采用模块化设计，维修保养更加方便，降低了维护成本和停工时间。总体来说，徐工XR280D旋挖钻在性能稳定、操作便捷、多功能、节能环保等方面表现出色，能够满足各类土木工程的需求。

The advantages of XCMG XR280D rotary drilling rig include: 1) Powerful power system: Equipped with German imported electronically controlled high-pressure common rail engine, it has strong power and good power output to cope with all kinds of complex construction situations. 2) Stability: Adopting four-masted large curved arm structure, it can provide more stable working condition and good balance performance to ensure the safety of construction. 3) Convenient operation: Equipped with intelligent control system, it is easy and convenient to operate to realize automated construction. 4) Multi-functional and flexible: By changing drilling sleeve or drilling tools, it can adapt to different construction requirements, such as drilling holes or trenching. Intelligent control system, easy and convenient operation, can realize automated construction, improve construction efficiency and precision. 4. Multi-functional and flexible: by changing the drilling sleeve or drilling tools, it can be adapted to different construction requirements, such as drilling, trenching, coring and other modes of work. 5. Energy-saving and environmentally friendly: energy saving and emission reduction features, reduce fuel consumption and emissions, in line with modern environmental protection requirements. 6. Strong loading capacity : With large drilling force and drilling diameter, it is suitable for engineering construction under all kinds of complex geological conditions. 7. Convenient maintenance: With modularized design, it is more convenient for repair and maintenance, which reduces the maintenance cost and downtime. Overall, XCMG XR280D rotary drilling rig excels in stable performance, convenient operation, multi-functionality, energy-saving and environmental protection, and is able to meet the needs of all kinds of civil engineering projects.