利勃海尔LTM1220-5.2起重机具有以下优点：1. 高起重能力：LTM1220-5.2起重机具有220吨的最大(dà)起重能力，可以应对大(dà)部分重型起重工作，具有更广泛的应用范围。2. 长达60米的主臂：起重机配备了一个60米长的主臂，可以实现更远的工作范围，适用于需要大(dà)幅度横向移动的起重操作。3. 多种组合模式：起重机可以灵活组合多种工作状态，例如带有自动调整功能的可伸缩(suō)悬臂，可以根据工作需求进行调整，提高工作效率。4. 全地形适应性：起重机配备了全地形性能，可以适应各种复杂地形和工作环境，包括草地、沙地、泥地等。5. 具有自我安装和拆卸功能：起重机具有自我安装和拆卸能力，可以快速方便地进行现场组装和拆卸，节省大(dà)量时间和人力成本。6. 先进的安全系统(tǒng)：起重机配备了先进的安全系统(tǒng)，包括载重限制器、倾斜传(chuán)感器、自动稳定系统(tǒng)等，保证了操作的安全性和稳定性。7. 低运输成本：起重机可以轻松实现自我运输，减少了运输成本，并且可以在较短的时间内到达现场，提高了工作效率。8. 高性能操控系统(tǒng)：起重机搭载了全新的操控系统(tǒng)，操作简单方便，响应灵敏，减少了操作难度和错误率。综上所述，利勃海尔LTM1220-5.2起重机具有高起重能力、长臂范围、多种组合模式、全地形适应性、自我安装和拆卸功能、先进的安全系统(tǒng)、低运输成本和高性能操控系统(tǒng)等诸多优点，是一款性能出色的起重设备。

Liebherr LTM1220-5.2 crane has the following advantages: 1. High lifting capacity: LTM1220-5.2 crane has a maximum lifting capacity of 220 tons, which can cope with most of the heavy lifting work, and has a wider range of applications. 2. 60-meter-long jib: the crane is equipped with a 60-meter-long jib, which can achieve a longer working range, and is suitable for lifting operations requiring large lateral movements. 3. Multiple combination modes: the crane can be flexibly combined with a variety of working conditions, such as telescopic jib with automatic adjustment function, which can be adjusted according to the work requirements, and improve work efficiency. 4. All-terrain crane. Large lateral movements for lifting operations.3. Multiple combination modes: the crane can be flexibly combined with a variety of working conditions, such as a retractable jib with automatic adjustment function, which can be adjusted according to the work requirements to improve the work efficiency.4. All-terrain adaptability: the crane is equipped with an all-terrain performance, which can be adapted to a variety of complex terrain and working environment, including grass, sand, mud, etc.5. Self-erection and dismantling functions: the crane has a self-erection and dismantling function. mounting and dismounting function: the crane is equipped with self-mounting and dismounting capability, which can be quickly and easily assembled and dismounted on site, saving a lot of time and labor cost.6. Advanced safety system: the crane is equipped with advanced safety system, including load limiter, tilt sensor, automatic stabilizing system and so on, which ensures the safety and stability of the operation.7. Low transportation cost: the crane can easily realize the self-transportation, which reduces the transportation cost and can reach the site in a shorter time, which improves the working efficiency. 8. High-performance control system: the crane is equipped with a new control system, which is easy and convenient to operate, responsive, and reduces the difficulty of operation and the error rate. 9. To sum up, Liebherr LTM1220-5.2 crane has many advantages such as high lifting capacity, long boom range, multiple combination modes, all-terrain adaptability, self-mounting and dismounting function, advanced safety system, low transportation cost and high-performance control system, etc., which makes it an excellent lifting equipment.