| 摘要 |
PROBLEM TO BE SOLVED: To provide a water spray type rotary snow melting device capable of letting snow disappear in a fixed scope in a short time using water of a tap water. SOLUTION: A doughnut-shaped nozzle part A is provided on an intermediate plate 3, and a support column 12 on which a rooflike structure 13 is put is provided on its inner side. COPYRIGHT: (C)2006,JPO&NCIPI
|
