山工SEM822D环卫型推土机的优点包括：1. 环保：采用了先进的排放控制技术，满足最新的排放标准，减少了对环境的污染。2. 高效：装备有强大的发动机和优化的液力传动系统，能够提供强劲的动力和高效的作业能力，快速完成各种推土工作。3. 稳定性好：拥有良好的平衡性和稳定性，能够在不同的工作环境下保持稳定的推土效果，提高了工作效率。4. 操作简便：采用了人性化设计，操控简单方便，减少了操作难度和疲劳，提高了操作员的工作效率。5. 安全性高：配备了多重安全保护装置，确保在工作过程中的安全性，有效防止事故的发生。6. 维护方便：设有便于维护的结构和设计，可以轻松进行维修和保养，减少了维护成本和时间。7. 耐久性强：采用了高品质的材料和先进的制造工艺，具有良好的耐用性和寿命，能够适应恶劣的工作环境。8. 多功能性：可配备各种多种附件，如护坡装置、平地装置、铲式装置等，可根据不同的作业需求进行灵活配置。9. 优质服务：山工SEM品牌具有良好的售后服务体系，能够提供及时、周到的技术支持和维修服务，保证用户的利益。

The advantages of Shankong SEM822D sanitation bulldozer include:1. Environmental protection: it adopts advanced emission control technology to meet the latest emission standards and reduce pollution to the environment.2. High efficiency: equipped with powerful engine and optimized hydraulic transmission system, it is able to provide strong power and high efficiency to quickly complete all kinds of bulldozing work.3. Good stability: it has good balance and stability, able to maintain stable bulldozing effect in different working environments, and improve the working efficiency.4. Easy operation: humanized design, simple and convenient manipulation, reducing the operating difficulty and fatigue, and improving the operator's working efficiency.5. High safety: equipped with multiple safety protection devices, to ensure safety in the working process, and effectively prevent accidents from occurring.6. Convenient maintenance: equipped with a maintenance-friendly structure and design, it can be easily repaired and maintained, which reduces the maintenance cost and time.7. Strong durability: It adopts high-quality materials and advanced manufacturing process, which has good durability and life span, and is able to adapt to the harsh working environment.8. Multi-functionality: It can be equipped with a variety of various attachments, such as berming device, grading device, shoveling device, etc., which can be flexibly configured according to the different operational needs.9. Quality service: SANKONG SEM brand has a good after-sales service system, which can provide timely and considerate technical support and maintenance services to ensure the interests of users.