徐工(gōng)QY85KC起重(zhòng)机的优点如下：1. 高承载能力：QY85KC起重(zhòng)机具(jù)有较高的承载能力，可以进行大型和重(zhòng)型物体的起重(zhòng)和运输。2. 高效(xiào)率：该起重(zhòng)机采用先进的液压系统和自动化控制技术，可以快速、准确地完成各种起重(zhòng)工(gōng)作。同时，它还具(jù)有快速搭设和拆卸的能力，提高了工(gōng)作效(xiào)率。3. 灵活性：QY85KC起重(zhòng)机具(jù)有多段伸缩臂和多段伸缩式液压脚架，可以根据工(gōng)地的具(jù)体情况进行灵活调整和操(cāo)作。这使得它可以适应各种不同的工(gōng)作环境。4. 安(ān)全性：徐工(gōng)QY85KC起重(zhòng)机配备了多种安(ān)全装置，如重(zhòng)载限制器、高度限位器、倾覆报警系统等，保证了操(cāo)作的安(ān)全性和可靠性。此外，起重(zhòng)运输过程中也有防护(hù)装置，确保操(cāo)作人员和周围环境的安(ān)全。5. 舒适性：该起重(zhòng)机的驾驶室采用人性化设计，具(jù)有宽敞、舒适的工(gōng)作环境，减轻了驾驶员的劳动强度，并提高了工(gōng)作的效(xiào)果。总结来说，徐工(gōng)QY85KC起重(zhòng)机具(jù)有高承载能力、高效(xiào)率、灵活性、安(ān)全性和舒适性等优点，适合用于各种起重(zhòng)工(gōng)作场合。

The advantages of XCMG QY85KC crane are as follows:1. High load capacity: QY85KC crane has high load capacity, which can be used for lifting and transporting large and heavy objects.2. High efficiency: the crane adopts advanced hydraulic system and automation control technology, which can complete all kinds of lifting work quickly and accurately. Meanwhile, it also has the ability of quick erection and dismantling, which improves the working efficiency.3. Flexibility: QY85KC crane has multi-segment telescopic jib and multi-segment telescopic hydraulic tripod, which can be flexibly adjusted and operated according to the specific conditions of the construction site. This makes it adaptable to a variety of different working environments.4. Safety: XCMG QY85KC cranes are equipped with a variety of safety devices, such as heavy load limiter, height limiter, and tipping alarm system, to ensure the safety and reliability of operation. In addition, there are protective devices during lifting and transportation to ensure the safety of the operator and the surrounding environment.5. Comfort: The cab of this crane adopts humanized design with a spacious and comfortable working environment, which reduces the driver's labor intensity and improves the effectiveness of the work. To summarize, XCMG QY85KC crane has the advantages of high load capacity, high efficiency, flexibility, safety and comfort, which is suitable for all kinds of lifting workplaces.