| 释义 |
active door active door[′ak·tiv ′dȯr] (building construction) active leaf active doorIn a pair of doors, the leaf, 1 that is the first to open and is the leaf to which a lock is applied.
active leaf, active doorIn a door having a pair of leaves, that leaf to which the latching or locking mechanism is attached; usually the leaf that is permitted to open first; sometimes both leaves are active. |