| 释义 | DictionarySeeporthole Access door
 access door[′ak‚ses ‚dȯr]  (building construction) A provision for access to concealed plumbing or other equipment without disturbing the wall or fixtures.Access doorAny door which allows access to concealed equipment or parts of a building not often used, such as a door to concealed plumbing parts.access door access door  A door, usually small, which is provided through a finished construction, as into a duct, through a ceiling, behind a wall, in a large piece of mechanical equipment, etc.; used to provide a means of inspection of equipment or services housed within. |