snow-melting machine; snow melter
A device that melts snow, often used on roads, roofs, or driveways in snowy regions.
この融雪機は、道路の雪を素早く溶かします。
This snow-melting machine quickly melts snow on the road.
Compound of 融雪 (ゆうせつ, 'snow melting') + 機 (き, 'machine').