利勃海尔LR1250起重机具有以下优点：1. 高起重能力：利勃海尔LR1250起重机具有最大起重能力达到250吨，能够应对各种大型起重工程，适用于建筑、桥梁、石化、能源等领域。2. 高度和跨度可调：该起重机采用伸缩式主臂和不同长度的配件，能够根据工程需要调整起重高度和跨度，灵活性较高。3. 高性能液压系统：利勃海尔LR1250起重机采用先进的液压系统，具有高效、稳定的起重和工作性能，能够快速承载和放下重物。4. 便于运输和组装：起重机的主要零部件经过精心设计，可以拆装和运输，方便在不同施工地点进行组装和安装，提高了施工效率。5. 安全性能高：该起重机配备有多种安全装置，包括防重物下坠装置、倾斜监测系统和载荷限制器等，能够有效保障作业人员和设备的安全。6. 操作简便：利勃海尔LR1250起重机采用先进的电气控制系统，操作简单，能够实现精确的起重和定位。7. 耐用性强：起重机采用高强度材料和先进的制造工艺，具有较强的抗风、抗震和抗腐蚀能力，能够在恶劣环境中长时间稳定运行。总之，利勃海尔LR1250起重机具有起重能力强、灵活性高、安全性能好等优点，适用于各种大型起重工程。

Liebherr LR1250 crane has the following advantages: 1. high lifting capacity: Liebherr LR1250 crane has a maximum lifting capacity of 250 tons, able to cope with a variety of large-scale lifting projects, suitable for construction, bridges, petrochemicals, energy and other fields. 2. height and span adjustable: the crane adopts telescopic jibs and fittings of different lengths, which is able to adjust the lifting Height and span adjustable: the crane adopts telescopic main boom and accessories of different lengths, which can adjust the lifting height and span according to the needs of the project, with high flexibility.3. High-performance hydraulic system: Liebherr LR1250 crane adopts the advanced hydraulic system, which has high efficiency and stable lifting and working performance, and is able to carry and put down the heavy objects quickly.4. Convenient for transporting and assembling: the main parts and components of the crane have been well-designed, and can be disassembled and transported, which is convenient for assembling and installing in different construction sites, and improves construction 5. High safety performance: the crane is equipped with a variety of safety devices, including anti-heavy falling device, tilt monitoring system and load limiter, etc., which can effectively protect the safety of operating personnel and equipment. 6. Easy operation: Liebherr LR1250 crane adopts advanced electrical control system, which is easy to operate and can realize precise lifting and positioning. 7. Strong durability: the crane uses high-strength materials and advanced manufacturing process, with strong wind resistance, shock resistance and corrosion resistance, able to operate stably for a long time in harsh environments. In short, Liebherr LR1250 crane has the advantages of strong lifting capacity, high flexibility, good safety performance, etc., which is suitable for a variety of large-scale lifting projects.