"maintain the link" is correct and usable in written English.
You can use it when you want to refer to keeping an existing bond or relationship strong. For example: In order to ensure success, we must maintain the link between our two teams.
She is English-born and raised, after all, and wants to maintain the link with her homeland.
The ground is strewn with a thick layer of decomposing leaves which serve to build rich, healthy soils and maintain the link with microorganisms.
"That means they have been able to maintain the link with Hezbollah and maybe open a second front by proxy against Israel on the Golan Heights.
But his fervent wish to maintain the link – and the reason why he indulged Cantona at times – belong to one of the characteristics which made Ferguson great.
Through the efforts of zoologists, humans can maintain the link between these animals and the domestic dog that has thrived under human protection.
In an Alpine environment, diets based on local forage resources are needed to maintain the link with the territory and confer special characteristics to typical cheeses.
Mapping path will maintain the links between SIL and data source, and query implementation and user interface are for retrieving data and interacting with end users.
With the federated approach, it is relatively easy to provide up to date information but extra care is required to maintain the links.
For both continental firms - and for Whitbread's brewing business - maintaining the link is essential.
Maintaining the link between health coverage and jobs is growing increasingly difficult, expensive, and self-defeating.
From the Theory of Roles Moreno, each role has a complementary role that maintains the link.
