| 释义 |
center-hung door center-hung doorA door that is supported by and swings on a pivot that is recessed in the floor at a point located on the center line of the door’s thickness; may be either single-swing or double-acting. See also: doorcenter-hung door, center-pivoted doorA door which is supported by and swings about a pivot recessed in the floor at a point located on the center line of the door’s thickness; the door may be of the single-swing or double-acting type. |