| 摘要 |
Disclosed is a multifunctional grating device. The multifunctional grating device of the present invention comprises: a body unit located on a top of a water drain path, which has a first water drain hole inside; a plurality of wing units protruding on both sides of a widthwise direction of the body unit; supporting units connected to both sides of the body unit in a longitudinal direction to hang over the top of the water drain path; and a length control unit connected to the supporting units to control a distance between a plurality of supporting units. |
