'gained practical experience' is correct and usable in written English.
You can use it when talking about someone who has acquired skills from a job or other practical activity. For example: "Through her internship, she gained practical experience in marketing that she was able to use in her career."
The market stall holders felt that the sooner the boy stopped reading books and gained practical experience the better.
From 1906 to 1913 Eddington was chief assistant at the Royal Observatory at Greenwich, where he gained practical experience in the use of astronomical instruments.
With a lifelong penchant for archaeology, Margaret gained practical experience when she volunteered for excavation work on bomb sites around London before they were redeveloped.
Smith attended dedicated courses for ex-servicemen at Gwebi during 1947 and 1948, learning skills such as ploughing, herding and milking; he gained practical experience at Taylor's dairy farm near Selukwe and on a tobacco ranch at Marandellas.
After you've completed all of the necessary steps and gained practical experience as a curate, you can ask the Church to appoint you as a vicar at a church of your own.
As novices they tended to lean on their clinical instructors, and were more eager to gain practical experience than practicing evidence-based; a behaviour that clinical instructors and visiting teachers often supported.
Law faculties have long sent their students to gain practical experience by giving free advice to the poor a worthy pursuit, but it often means learning how to be good at suing businesses, especially private landlords.
Up to now, the state ratings systems have allowed children in those states to play in local tournaments, gaining practical experience, and then compete in national championships with far-lower federation ratings.
The first phase of the integrated program called for a series of shuttle missions to Mir to allow NASA to gain practical experience operating in conjunction with a station and to make an early start on microgravity research.
