中联重科ZTC121V461起重机的优点有：1. 巨大的起重能力：ZTC121V461起重机具有121吨的额定起重能力，可以处理各种重型物料和设备。2. 高度可调：起重机的主臂和副臂可以分别延伸和伸缩，以适应不同高度和距离的起重需求。3. 灵活性和可移动性：起重机配备了轮胎和伸缩式支腿，可以便捷地在工地和其他户外场所之间移动和布置。4. 良好的操控性：起重机采用先进的液压系统和电子操控技术，操作方便，响应快速，能够实现精确的货物起吊和移动。5. 安全性：起重机配备了多种安全装置，如载荷限制器、防倾倒装置和紧急停止开关，确保操作人员和周围人员的安全。6. 高质量和耐用性：中联重科是全球知名的建筑机械制造商，起重机采用了优质的材料和先进的生产工艺，具有较长的使用寿命和稳定的性能。总之，中联重科ZTC121V461起重机具有强大的起重能力、灵活和可移动的特点，方便操作和安全性高，适用于各种工地和起重需求。

The advantages of Zoomlion ZTC121V461 crane include:1. Huge lifting capacity: ZTC121V461 crane has a rated lifting capacity of 121 tons, which can handle a variety of heavy materials and equipments.2. Height adjustable: the crane's main boom and jib can be extended and telescoped respectively to adapt to lifting needs at different heights and distances.3. Flexibility and mobility: the crane Equipped with tires and telescopic outriggers, it can be conveniently moved and arranged between construction sites and other outdoor places.4. Good maneuverability: The crane adopts advanced hydraulic system and electronic control technology, which is easy to operate and quick to respond, and enables precise lifting and moving of cargoes.5. Safety: The crane is equipped with a variety of safety devices, such as load limiter, anti-tipping device, and emergency stop switch, to Ensure the safety of the operator and the surrounding people.6. High quality and durability: Zoomlion is a globally renowned construction machinery manufacturer, the cranes are made of high-quality materials and advanced production processes, which provide a long service life and stable performance. All in all, Zoomlion ZTC121V461 cranes are characterized by powerful lifting capacity, flexibility and mobility, ease of operation and high safety, which makes them suitable for a variety of construction sites and lifting needs.