easy installation的用法和样例：
例句
- This device features concise design and easy instal lat ion, which can greatly reduce workload and improve effciency.
该设备设计简洁，安装方便，可大大节约人工，提高工作效率。 - This mobile robot mechanism has advantages of compact structure, high efficiency, installation convenience, high reliability and low cost.
该移动机构具有结构紧凑，驱动效率高，安装方便，工作可靠，成本较低的特点。
