中联重科ZTC160V451起重机有以下优点：1. 大载重能力：该起重机具有较大的起重能力，能够承载重量较大的物体，满足各种工程需要。2. 灵活性强：该起重机采用了全液压伸缩式大幅度变幅技术，使其伸缩范围更大，灵活性更强，适应不同施工场地的需求。3. 操作方便：该起重机采用了先进的液压系统和智能化控制系统，操作简单方便，可实现平稳、高精度的起重作业。4. 安全可靠：该起重机配备了多项安全设施，如超载保护、限位保护等，确保起重作业过程中的安全性和可靠性。5. 能效高：该起重机采用了先进的液压系统和动力匹配技术，能够实现较高的能效，节约能源，降低运行成本。6. 维护方便：该起重机采用了模块化设计，易于维护和保养，减少维修工作量和时间，提高工作效率。总之，中联重科ZTC160V451起重机具有大载重能力、灵活性强、操作方便、安全可靠、能效高和维护方便等优点，适用于各种起重作业需求。

Zoomlion ZTC160V451 crane has the following advantages:1. Large lifting capacity: the crane has a large lifting capacity and can carry objects of large weight to meet the needs of various projects.2. Strong flexibility: the crane adopts fully hydraulic telescopic substantial luffing technology, which makes it have a larger range of telescopicity and greater flexibility, and adapts to the needs of different construction sites.3. Convenient operation: the crane adopts advanced hydraulic system and intelligent control system, which is easy and convenient to operate, and can realize smooth and high-precision lifting operation.4. Safe and reliable: the crane is equipped with a number of safety facilities, such as overload protection, limit protection, etc., to ensure the safety and reliability of lifting operations.5. High energy efficiency: the crane adopts advanced hydraulic system and power matching technology, which can realize high High energy efficiency: the crane adopts advanced hydraulic system and power matching technology, which can realize high energy efficiency, save energy and reduce operation cost. 6. Convenient maintenance: the crane adopts modular design, which is easy to maintain and repair, reduce the maintenance workload and time, and improve the work efficiency. In conclusion, Zoomlion ZTC160V451 crane has the advantages of large load capacity, high flexibility, easy operation, safety and reliability, high energy efficiency and easy maintenance, which is suitable for various lifting operation needs.