Although 链接 is indeed the translation for 'link', here it might be thought to be linking phone and desktop device, while the actual feature is more of logging in to a new desktop device, i.e. linking new desktop device to the account. Might be a personal thing but I feel there is some ambiguity here.

This function is indeed a "binding" telegram clients in different platforms. Semantically, it works better for Chinese users to know the purpose of this action, instead of what the action is.