沃尔沃EC950 CN4国四挖掘机具有以下优点：1. 强大的动力：搭载了国四排放标准的发动机，使挖掘机具备更高的动力输出，提高工作效率。2. 高效的系统：沃尔沃EC950 CN4挖掘机采用了先进的液压系统和电子控制技术，使操作更加灵活、精准，提高工作效率。3. 安全舒适的驾驶室：挖掘机的驾驶室设计合理，配备舒适的座椅和优质的隔音材料，提供优秀的驾驶视野和良好的工作环境。4. 稳定的性能：挖掘机具备出色的稳定性能，能够在各种复杂的工况下保持平衡，提高作业的安全性和稳定性。5. 高效节能：沃尔沃EC950 CN4挖掘机采用了先进的燃油喷射技术和能量回收系统，实现了燃油的高效利用和能耗的降低，减少了对环境的影响。总的来说，沃尔沃EC950 CN4国四挖掘机具备动力强劲、操作灵活、安全舒适、稳定性好、节能高效等优点，适用于各种工程建设和土方作业。

Volvo EC950 CN4 national four excavator has the following advantages:1. Powerful power: equipped with the national four emission standard engine, the excavator has higher power output and improves working efficiency.2. High-efficiency system: Volvo EC950 CN4 excavator adopts the advanced hydraulic system and electronic control technology, which makes the operation more flexible and precise, and improves the working efficiency.3. Safe and comfortable cab: the excavator's cab is reasonably designed, equipped with comfortable seats and high-quality sound insulation materials, providing excellent driving vision and good working environment.4. Stable performance: the excavator has excellent stability performance, which can provide excellent driving vision and good working environment. cab: The cab of the excavator is reasonably designed, equipped with comfortable seats and high-quality sound insulation materials, providing excellent driving vision and a good working environment.4. Stable performance: The excavator has excellent stability performance, which is able to maintain balance under various complex working conditions, improving the safety and stability of operations.5. High efficiency and energy saving: Volvo EC950 CN4 excavator adopts advanced fuel injection technology and energy recovery system, realizing the efficient use of fuel and lower energy consumption, reducing the impact on the environment. Overall, Volvo EC950 CN4 national four excavator has the advantages of strong power, flexible operation, safety and comfort, good stability, energy saving and high efficiency, which is suitable for all kinds of engineering construction and earth moving operations.