| 摘要 |
A cover having traverse drain hole is provided to form traverse drain hole and to prevent the heel of high-heel shoes and small wheel of the in-line skate from falling. A cover having traverse drain hole comprises as follows. The cover upper side the plural number portion downstream is subsided to the size of the optional area. The depression(10) side is penetrated and the drain hole(11) is formed. The cover upper side of the interval of each depression is project upward let. The protrusion(20) side is penetrated and the drain hole is formed. |
