How to open the pipeline well door without a key? How to open the pipeline well door without a key?

1. A special key is needed to unlock the pipeline well, and the pipeline is kept by the management personnel. 2. Pipeline well, as the name implies, is to vertically and horizontally connect and separate all kinds of pipelines. 3. Function of the pipeline well: (1), functional requirements. The more complex a building is and the more functions it has, the more supporting systems it needs.