徐工QY70KD起(qǐ)重机有以下优点：1. 高承载(zǎi)能力：徐工QY70KD起(qǐ)重机具有70吨的(dí)最大起(qǐ)重能力，可以满足大部分起(qǐ)重作业的(dí)需求。2. 灵活性强：该起(qǐ)重机的(dí)转(zhuǎn)台和支(zhī)腿具有360度旋转(zhuǎn)能力，可以实现全方位的(dí)起(qǐ)重作业，适应各种工况和使用环境。3. 操作简便：徐工QY70KD起(qǐ)重机采用新一代液压变量技术，操作更加简单、灵活，能够精确控制起(qǐ)重机的(dí)动作。4. 安全可靠：该起(qǐ)重机配备了多种安全装置，包括过载(zǎi)保护、防倾翻装置等(děng)，确保起(qǐ)重作业的(dí)安全。5. 能效(xiào)高：徐工QY70KD起(qǐ)重机采用先进的(dí)液压系统和电子控制系统，能有效(xiào)提高能效(xiào)，减少能源消耗。6. 维护便捷：该起(qǐ)重机的(dí)零部件采用模块化设计，易于维修和更换，降低了维护成本。总的(dí)来说，徐工QY70KD起(qǐ)重机具有承载(zǎi)能力强、灵活性高、操作简便、安全可靠、能效(xiào)高以及维护便捷的(dí)优点，适用于各种起(qǐ)重作业需求。

XCMG QY70KD crane has the following advantages: 1. high load capacity: XCMG QY70KD crane has a maximum lifting capacity of 70 tons, which can meet most of the lifting operations. 2. flexible: the crane's turntable and outriggers have a 360-degree rotating capacity, which can realize all-around lifting operations and adapt to a variety of working conditions and use of the environment. 3. easy to operate: XCMG QY70KD crane adopts a new generation of hydraulic variable technology, the operation is more simple, flexible, and can accurately control the movement of the crane. 4. safe and reliable: the crane is equipped with a variety of safety devices, including overload protection, anti-tipping device, etc., to ensure the safety of lifting operations. 5. high energy-efficiency: XCMG QY70KD crane adopts an advanced hydraulic system and electronic control system, which effectively improves the energy efficiency and reduces energy consumption. 6. and reduce energy consumption.6. Convenient maintenance: the crane's parts adopt modular design, which is easy to repair and replace and reduces the maintenance cost. Overall, XCMG QY70KD crane has the advantages of strong carrying capacity, high flexibility, easy operation, safety and reliability, high energy efficiency and convenient maintenance, which is suitable for all kinds of lifting operations.