中联重科ZTC251V452起重机的(dí)优点包括：1. 刚性强：机身结构经过优化(huà)设计，具有很强的(dí)刚性，能够在起重过程中保持稳定。2. 作(zuò)业(yè)范围广：该起重机配(pèi)备(bèi)了长臂和大吨位起重能力，可以满足多种作(zuò)业(yè)需求。3. 高效节(jié)能：起重机采用先进的(dí)液压系统和动力配(pèi)置，在保证高效作(zuò)业(yè)的(dí)同时大幅度降低能耗。4. 操作(zuò)简(jiǎn)便：起重机设备(bèi)配(pèi)备(bèi)了智能化(huà)控制系统，操作(zuò)简(jiǎn)单易学，能够提高工作(zuò)效率。5. 安全可靠：起重机采用了先进的(dí)安全技术，具备(bèi)多重安全保护措施，确保操作(zuò)过程中的(dí)安全性。6. 维护便捷：该起重机采用模块化(huà)设计，机件易于维修和更换，维护便捷。7. 抗风能力强：起重机结构坚固，能够抵御大风的(dí)影响，保证起重作(zuò)业(yè)的(dí)稳定性。总的(dí)来说，中联重科ZTC251V452起重机在刚性、作(zuò)业(yè)范围、高效节(jié)能、操作(zuò)简(jiǎn)便、安全可靠、维护便捷和抗风能力等方面具有优越性能，能够满足各种起重作(zuò)业(yè)的(dí)需求。

The advantages of Zoomlion ZTC251V452 crane include:1. Strong rigidity: the structure of the body has been optimized and designed to have strong rigidity, which can maintain stability in the lifting process.2. Wide range of operations: the crane is equipped with a long jib and a large-tonnage lifting capacity, which can meet a variety of operational needs.3. High efficiency and energy saving: the crane adopts advanced hydraulic system and power configuration, which can greatly reduce the energy consumption while guaranteeing high efficiency. Easy operation: the crane is equipped with intelligent control system, easy to operate and improve work efficiency. 5. Safe and reliable: the crane adopts advanced safety technology with multiple safety protection measures to ensure safety during operation. 6. Convenient maintenance: the crane adopts a modular design, the parts are easy to repair and replace, and convenient maintenance. 7. Strong wind resistance: the crane has a sturdy structure that can withstand the effects of high winds and ensure the stability of lifting operations. Overall, Zoomlion ZTC251V452 crane has superior performance in terms of rigidity, operating range, high efficiency and energy saving, easy operation, safety and reliability, easy maintenance and wind resistance, which can meet the needs of various lifting operations.