the different parts that make up something such as a machine, an engine, an electronic device, etc.

The laptop has very impressive componentry for the price. 这台手提电脑（因为）有不同寻常的组件，（所以）值这个价格。

The car has a rear-seat armrest that hides electronic componentry. 这车有一个用来隐藏电子组件的后座扶手。