利勃海尔LG1750移动式起重机具有以下优点：1. 高强度：利勃海尔LG1750起重机具有出色的承载能力，最大起重量可达750吨。它适用于各种重型起重任务，包括建筑、桥梁、石化及风电等领域。2. 超长臂翼：LG1750起重机配备了可伸缩的超长臂翼，使其具有更广泛的作业范围和更大的灵活性。这使该起重机能够在各种不同的工程场地中使用，并能够完成各种复杂的起重作业。3. 高效性能：利勃海尔LG1750起重机配备了先进的技术和设备，如液压系统、电子控制系统等，使其具有快速、精确、稳定的作业性能。它能够快速组装和拆卸，提高施工效率。4. 安全性：该起重机采用了先进的安全保护措施，如重载限制装置、高度限位装置、稳定装置等，确保了作业过程中的安全。此外，其结构坚固稳定，能够应对各种恶劣的工程环境和气候条件。5. 可移动性：LG1750起重机是移动式起重机，具有高度可移动性。它可以迅速在不同的工地之间进行转移和部署，为不同项目的起重需求提供灵活的解决方案。总的来说，利勃海尔LG1750移动式起重机具有高强度、超长臂翼、高效性能、安全性和可移动性等优点，使其成为处理重型起重任务的理想选择。

Liebherr LG1750 mobile crane has the following advantages: 1. High strength: Liebherr LG1750 crane has excellent load carrying capacity, the maximum lifting capacity can reach 750 tons. It is suitable for a wide range of heavy lifting tasks, including construction, bridges, petrochemicals and wind power.2. Extra-long boom wing: The LG1750 crane is equipped with a retractable extra-long boom wing, which gives it a wider operating range and greater flexibility. This enables the crane to be used in a variety of different engineering sites and to accomplish a variety of complex lifting operations.3. High-efficiency performance: Liebherr LG1750 cranes are equipped with advanced technology and equipment, such as hydraulic systems and electronic control systems, which enable them to have fast, precise and stable operational performance. It can be assembled and disassembled quickly to improve the construction efficiency.4. Safety: The crane adopts advanced safety protection measures, such as heavy load limiting device, height limiting device, stabilizing device, etc., which ensures the safety during the operation. In addition, its sturdy and stable structure can cope with a variety of harsh engineering environments and climatic conditions.5. Mobility: The LG1750 crane is a mobile crane with a high degree of mobility. It can be quickly transferred and deployed between different construction sites, providing a flexible solution to the lifting needs of different projects. Overall, Liebherr LG1750 mobile cranes offer high strength, extra-long boom wings, efficient performance, safety and mobility, making them ideal for handling heavy lifting tasks.