n. machines or machine systems collectively
n. a system of means and activities whereby a social institution functions
n. 机器, 机械装置, 机构
[化] 机械
1. The factory has many new machines and advanced machinery.
这家工厂有许多新机器和先进的机械设备。
2. The machinery used in the construction project is very expensive.
建筑项目中使用的机械设备非常昂贵。
3. We need to maintain the machinery regularly to ensure it works well.
我们需要定期维护机械设备，以确保它正常运行。