利勃海尔LR1280起重机的优点包括：1. 高起重能力：利勃海尔LR1280起重机的最大起重能力可达280吨，能够应对各种大型起重任务。2. 长臂长度：该起重机配备了最长达120米的主臂，使其能够进行较远距离的横向操作，满足不同场地的起重需求。3. 高效率：利勃海尔LR1280起重机采用了先进的液压系统和智能控制技术，使其具有快速、精准的起重和移动能力，提高作业效率。4. 灵活性：该起重机具有多种可调节的臂长，以适应不同的工地环境和起重需求，同时还可进行快速组装和拆卸，方便运输和调整。5. 安全性：利勃海尔LR1280起重机采用了多种安全装置，如超载保护、防倾翻系统等，确保起重作业的安全可靠。6. 可靠性：该起重机采用了高强度钢材和先进的工艺技术，具有优良的稳定性和耐用性，能够适应恶劣的工作环境。综上所述，利勃海尔LR1280起重机具有高起重能力、长臂长度、高效率、灵活性、安全性和可靠性等优点，适用于各种大型起重工程。

The advantages of Liebherr LR1280 cranes include: 1. High lifting capacity: Liebherr LR1280 cranes have a maximum lifting capacity of up to 280 tons, which can cope with a variety of large-scale lifting tasks. 2. Long jib length: The cranes are equipped with a main jib with a maximum length of up to 120 meters, which enables them to carry out long-distance lateral operations to meet the lifting needs of different sites. 3. High efficiency: Liebherr LR1280 crane adopts advanced hydraulic system and intelligent control technology, which gives it fast and precise lifting and moving ability and improves operational efficiency.4. Flexibility: The crane has a variety of adjustable jib lengths to adapt to different site environments and lifting needs, and can also be quickly assembled and disassembled for easy transportation and adjustment.5. Safety: Liebherr LR1280 crane Adopts a variety of safety devices, such as overload protection, anti-tipping system, etc., to ensure the safety and reliability of lifting operations.6. Reliability: The crane adopts high-strength steel and advanced technology, which provides excellent stability and durability, and is able to adapt to harsh working environments. To summarize, Liebherr LR1280 crane has the advantages of high lifting capacity, long boom length, high efficiency, flexibility, safety and reliability, which is suitable for all kinds of large lifting projects.