ER - AN OVERVIEW

Desk clerk Frank (Troy Evans) normally talks about everyday living on the "force" like a Chicago law enforcement officer. In the primary episode, he experienced an appearance for a police officer, who was shot and dealt with via the ER team.掺铒玻璃与标准石英光纤兼容，有助于其集成到现有光纤网络中。掺钕和掺镱玻璃�