serial production line

例句：

1. 1.The serial number of the car is 2023.
   这辆车的序列号是2023。
2. 2. They worked in a serial of buildings.
   他们在一系列建筑物中工作。
3. 3. The sequence of events led to the discovery of a new drug.
   事件序列导致了新药物的发现。