production line

Từ điển Oxford Advanced Learner 8th

proˈduction line [production line] BrE NAmE (also asˈsembly line) noun
a line of workers and machines in a factory, along which a product passes, having parts made, put together or checked at each stage until the product is finished
•Cars are checked as they come off the production line.
•Education is not a production line.
See also: ↑assembly line