山东临工E675H国四挖掘机具有以下优点：1. 引进先进动力系统：采用低速大扭矩、节油环保的动力系统，动力充沛且稳定。2. 操作简便：采用智能化操作系统，使操作人员能够轻松掌握和操作挖掘机。3. 功能强大：具备多项功能，如挖掘、装载、平整等，可满足不同工作需求。4. 性能优异：具备强劲的挖掘力和装载力，能够轻松应对各种复杂的作业环境。5. 结构合理：采用优质钢材制造，具有结构坚固、使用寿命长等特点。6. 维护方便：具备自动诊断系统，可以实现故障自诊断，方便维修和保养。7. 安全可靠：配备安全防护装置，如防滑梯、防护网等，提供操作员和周围环境的安全保障。8. 环保节能：符合国家排放标准，采用低噪声、低排放的技术，对环境友好。总的来说，山东临工E675H国四挖掘机具有先进的动力系统、操作简便、功能强大、性能优异、结构合理、维护方便、安全可靠、环保节能等优点，适用于各种挖掘作业。

Shandong Lingong E675H national four excavator has the following advantages: 1. Introduction of advanced power system: adopting low-speed and high-torque, fuel-efficient and environmentally friendly power system, with abundant and stable power. 2. Easy operation: adopting intelligent operating system, which enables the operator to grasp and operate the excavator easily. 3. Powerful functions: with a number of functions, such as digging, loading, leveling, etc., which can satisfy the different needs of the work. 4. Excellent performance: with strong digging force and loading force, it can easily cope with all kinds of complicated working environment.5. Reasonable structure: made of high quality steel, it has the features of solid structure and long service life.6. Convenient maintenance: with automatic diagnostic system, it can realize self-diagnosis of malfunction, which is convenient for repairing and maintenance.7. Safe and reliable: it is equipped with safety guards, such as anti-sliding ladder, protective net, etc., which provides the safety guarantee for the operator and the surrounding environment. safety for the operator and the surrounding environment.8. Environmental protection and energy saving: it meets the national emission standards and adopts low-noise and low-emission technology, which is friendly to the environment. All in all, Shandong Lingong E675H national four excavator has the advantages of advanced power system, easy operation, powerful function, excellent performance, reasonable structure, easy maintenance, safe and reliable, environmental protection and energy saving, which is suitable for all kinds of excavation operations.