利勃海尔HS855HD Litronic起重机具有以下优点：1. 大起重能力：HS855HD Litronic起重机具有855吨的最大起重能力，可以应对各种重型起重任务，包括吊装大型建筑物、桥梁、石油设备等。2. 较大的工作半径：该起重机具有最大的工作半径达到136米，可以在较大范围内进行起重作业，满足不同场地的需求。3. 先进的液压系统：HS855HD Litronic起重机采用利勃海尔独有的液压系统，具有高效、稳定的性能，能够提供稳定的起重速度和精确的起重控制。4. 灵活性强：该起重机装备有可拆卸式的动臂和平衡臂，使得机器在不同工地之间的转移更加方便，可适应不同的施工环境。5. 操作简单：利勃海尔HS855HD Litronic起重机的操作系统设计人性化，简单易懂，操作员可以快速上手，提高工作效率。6. 安全可靠：起重机的主要结构件采用高强度钢材制造，具有较高的安全系数，能够保证起重机的可靠性和稳定性，在起重作业中提供安全保障。综上所述，利勃海尔HS855HD Litronic起重机具有大起重能力、大工作半径、先进的液压系统、灵活性强、操作简单和安全可靠等优点，是一款适合进行重型起重作业的优秀起重机器。

Liebherr HS855HD Litronic crane has the following advantages: 1. Large lifting capacity: HS855HD Litronic crane has a maximum lifting capacity of 855 tons, which can cope with a variety of heavy lifting tasks, including lifting large buildings, bridges, oil equipment, etc. 2. Larger working radius: the crane has the largest working radius of 136 meters, which can meet the needs of different sites. 3. Advanced hydraulic system: HS855HD Litronic crane adopts Liebherr's unique hydraulic system, which has efficient and stable performance. The crane can be lifted in a wide range to meet the needs of different sites. 3. Advanced hydraulic system: HS855HD Litronic crane adopts Liebherr's unique hydraulic system with high efficiency and stable performance, which can provide stable lifting speed and precise lifting control. 4. Flexibility: The crane is equipped with detachable movable jibs and counterbalance jibs, which makes it more convenient to transfer the machine between different sites. The crane is equipped with detachable moving arm and counterbalance arm, which makes it more convenient to transfer the machine between different construction sites and can adapt to different construction environments. 5. simple operation: the operating system of Liebherr HS855HD Litronic crane is designed to be humanized and easy to understand, so that the operator can get on with it quickly to improve the work efficiency. 6. safe and reliable: the main structural parts of the crane are made of high-strength steel with high safety coefficients, which can ensure the crane's Reliability and stability, providing safety in lifting operations. To summarize, Liebherr HS855HD Litronic crane has the advantages of large lifting capacity, large working radius, advanced hydraulic system, high flexibility, simple operation, safety and reliability, etc. It is an excellent crane suitable for heavy lifting operations.