四川长江LT1120-2起重机具有以下优点：1. 抗风性能强：该起重机设计稳定牢固，能够在恶劣的天气条件下进行工作，具有出色的抗风性能，可保证工作安全。2. 载重能力大：长江LT1120-2起重机的最大起重量达到112吨，能够应对大部分重型起重任务，具有较强的使用能力。3. 起重高度高：该起重机配备了长臂设计，最大起重高度可达80米，能够满足多种高空起重需求，具有灵活性。4. 操作简便：起重机采用先进的液压系统和电子控制技术，操作简便易懂，提高了工作效率和安全性。5. 适应性强：起重机具备较强的适应性，可以在多种工地和工况下进行工作，具有较大的应用范围。6. 能耗低：该起重机采用先进的节能技术，能够减少能源消耗，降低运营成本，对环境友好。7. 维护方便：长江LT1120-2起重机采用模块化设计，方便维护和保养，减少停机时间，提高设备的可靠性和持久性。总的来说，四川长江LT1120-2起重机具有抗风能力强、载重能力大、起重高度高、操作简便、适应性强、能耗低、维护方便等优点，是一款性能优异的起重机。

Sichuan Changjiang LT1120-2 crane has the following advantages: 1. strong wind resistance: the crane is designed to be stable and firm, and is able to work in poor weather conditions, with excellent wind resistance to ensure work safety. 2. large load capacity: the maximum lifting capacity of Changjiang LT1120-2 crane reaches 112 tons, and is able to cope with most of the heavy lifting tasks, and has strong use of the capacity. 3. high lifting height: the crane is equipped with a long boom design, the maximum lifting height can reach 80 meters, and has flexibility. 4. easy to operate: the crane is equipped with advanced hydraulic system and electronic control. High lifting height: the crane is equipped with a long boom design, the maximum lifting height can reach 80 meters, which can meet a variety of overhead lifting needs, and has the flexibility. 4. easy operation: the crane adopts advanced hydraulic system and electronic control technology, easy to understand the operation, and improves the working efficiency and safety. 5. strong adaptability: the crane has a strong adaptability, and can work in a variety of construction sites and conditions, and has a wide range of applications. 6. strong adaptability: the crane has a strong adaptability, and can work in a variety of sites and conditions, and has a large range of applications. 7. It can work under a variety of sites and working conditions, and has a wide range of applications.6. Low energy consumption: the crane adopts advanced energy-saving technology, which can reduce energy consumption, lower operating costs, and is friendly to the environment.7. Convenient maintenance: the Changjiang LT1120-2 crane adopts a modularized design, which is convenient for maintenance and upkeep, reduces downtime, and improves the reliability and durability of the equipment. Overall, Sichuan Changjiang LT1120-2 crane has the advantages of strong wind resistance, large load capacity, high lifting height, easy operation, adaptability, low energy consumption and easy maintenance.