中联重科ZR280C-3K旋挖钻机具有以下优点：1. 高效性能：该旋挖钻机搭载了强大的发动机和先进的液压系统，具有强大的钻探能力和高效的工作效率。其钻孔直径范围为800-2800 mm，最大钻孔深度为88 m，适用于各种工程需求。2. 稳定性能：该旋挖钻机采用了先进的底盘结构和稳定装置，能够在各种地质条件下保持稳定的工作状态。同时，配备了自动称重系统和智能电控系统，能够实时监测工作状态并进行自动调节，保证钻探的精度和稳定性。3. 操作便捷：该旋挖钻机配备了人性化设计的操作台和控制系统，操作简单方便。同时，具备多种工作模式可供选择，能够适应不同施工环境和工况需求。4. 安全性能：该旋挖钻机配备了多重安全装置，包括超载保护、压力保护、温度保护等功能，能够有效保护设备和操作人员的安全。5. 维修方便：该旋挖钻机采用模块化设计，部件可互换，维修更加方便快捷。同时，配备了远程监控和故障诊断系统，能够实时监测设备状态并进行故障排查，提高维修效率。综上所述，中联重科ZR280C-3K旋挖钻机具有高效、稳定、便捷、安全和维修方便等优点，适用于各种大型工程项目的施工需求。

Zoomlion ZR280C-3K rotary drilling rig has the following advantages: 1. High-efficiency performance: this rotary drilling rig is equipped with powerful engine and advanced hydraulic system, which has strong drilling capacity and high efficiency. Its drilling diameter ranges from 800-2800 mm and the maximum drilling depth is 88 m, which is suitable for various engineering needs.2. Stable performance: This rotary drilling rig adopts advanced chassis structure and stabilizing device, which can maintain stable working condition under various geological conditions. Meanwhile, it is equipped with automatic weighing system and intelligent electric control system, which can monitor the working condition in real time and make automatic adjustment to ensure the precision and stability of drilling.3. Convenient operation: This rotary drilling rig is equipped with humanized design of operation desk and control system, which is easy and convenient to operate. At the same time, it has a variety of working modes to choose from, which can adapt to the needs of different construction environments and working conditions. 4. safety performance: the rotary drilling rig is equipped with multiple safety devices, including overload protection, pressure protection, temperature protection and other functions, which can effectively protect the equipment and the safety of the operators. 5. convenient maintenance: the rotary drilling rig adopts a modularized design, and the components can be interchanged, which makes the maintenance more convenient and quicker. Meanwhile, it is equipped with remote monitoring and fault diagnosis system, which can monitor the equipment status in real time and carry out fault troubleshooting to improve the maintenance efficiency. To summarize, Zoomlion ZR280C-3K rotary drilling rig has the advantages of high efficiency, stability, convenience, safety and easy maintenance, which is suitable for the construction needs of various large-scale projects.